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51
.travis.yml
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#
# LuaDist Travis-CI Hook
#
# We assume C build environments
language: C
# Try using multiple Lua Implementations
env:
- TOOL="gcc" # Use native compiler (GCC usually)
- TOOL="clang" # Use clang
- TOOL="i686-w64-mingw32" # 32bit MinGW
- TOOL="x86_64-w64-mingw32" # 64bit MinGW
- TOOL="arm-linux-gnueabihf" # ARM hard-float (hf), linux
# Crosscompile builds may fail
matrix:
allow_failures:
- env: TOOL="i686-w64-mingw32"
- env: TOOL="x86_64-w64-mingw32"
- env: TOOL="arm-linux-gnueabihf"
# Install dependencies
install:
- git clone git://github.com/LuaDist/Tools.git ~/_tools
- ~/_tools/travis/travis install
# Bootstap
before_script:
- ~/_tools/travis/travis bootstrap
# Build the module
script:
- ~/_tools/travis/travis build
# Execute additional tests or commands
after_script:
- ~/_tools/travis/travis test
# Only watch the master branch
branches:
only:
- master
# Notify the LuaDist Dev group if needed
notifications:
recipients:
- luadist-dev@googlegroups.com
email:
on_success: change
on_failure: always

14
CMakeLists.txt
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# Copyright (C) 2007-2013 LuaDist.
# Created by Peter Drahoš
# Redistribution and use of this file is allowed according to the terms of the MIT license.
# For details see the COPYRIGHT file distributed with LuaDist.
# Please note that the package source code is licensed under its own license.
project ( dkjson NONE )
cmake_minimum_required ( VERSION 2.8 )
include ( cmake/dist.cmake )
include ( lua )
install_lua_module ( dkjson dkjson.lua )
install_example ( jsontest.lua speedtest.lua )
install_data ( versions.txt )

118
cmake/FindLua.cmake
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# Locate Lua library
# This module defines
# LUA_EXECUTABLE, if found
# LUA_FOUND, if false, do not try to link to Lua
# LUA_LIBRARIES
# LUA_INCLUDE_DIR, where to find lua.h
# LUA_VERSION_STRING, the version of Lua found (since CMake 2.8.8)
#
# Note that the expected include convention is
# #include "lua.h"
# and not
# #include <lua/lua.h>
# This is because, the lua location is not standardized and may exist
# in locations other than lua/
#=============================================================================
# Copyright 2007-2009 Kitware, Inc.
# Modified to support Lua 5.2 by LuaDist 2012
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
#
# The required version of Lua can be specified using the
# standard syntax, e.g. FIND_PACKAGE(Lua 5.1)
# Otherwise the module will search for any available Lua implementation
# Always search for non-versioned lua first (recommended)
SET(_POSSIBLE_LUA_INCLUDE include include/lua)
SET(_POSSIBLE_LUA_EXECUTABLE lua)
SET(_POSSIBLE_LUA_LIBRARY lua)
# Determine possible naming suffixes (there is no standard for this)
IF(Lua_FIND_VERSION_MAJOR AND Lua_FIND_VERSION_MINOR)
SET(_POSSIBLE_SUFFIXES "${Lua_FIND_VERSION_MAJOR}${Lua_FIND_VERSION_MINOR}" "${Lua_FIND_VERSION_MAJOR}.${Lua_FIND_VERSION_MINOR}" "-${Lua_FIND_VERSION_MAJOR}.${Lua_FIND_VERSION_MINOR}")
ELSE(Lua_FIND_VERSION_MAJOR AND Lua_FIND_VERSION_MINOR)
SET(_POSSIBLE_SUFFIXES "52" "5.2" "-5.2" "51" "5.1" "-5.1")
ENDIF(Lua_FIND_VERSION_MAJOR AND Lua_FIND_VERSION_MINOR)
# Set up possible search names and locations
FOREACH(_SUFFIX ${_POSSIBLE_SUFFIXES})
LIST(APPEND _POSSIBLE_LUA_INCLUDE "include/lua${_SUFFIX}")
LIST(APPEND _POSSIBLE_LUA_EXECUTABLE "lua${_SUFFIX}")
LIST(APPEND _POSSIBLE_LUA_LIBRARY "lua${_SUFFIX}")
ENDFOREACH(_SUFFIX)
# Find the lua executable
FIND_PROGRAM(LUA_EXECUTABLE
NAMES ${_POSSIBLE_LUA_EXECUTABLE}
)
# Find the lua header
FIND_PATH(LUA_INCLUDE_DIR lua.h
HINTS
$ENV{LUA_DIR}
PATH_SUFFIXES ${_POSSIBLE_LUA_INCLUDE}
PATHS
~/Library/Frameworks
/Library/Frameworks
/usr/local
/usr
/sw # Fink
/opt/local # DarwinPorts
/opt/csw # Blastwave
/opt
)
# Find the lua library
FIND_LIBRARY(LUA_LIBRARY
NAMES ${_POSSIBLE_LUA_LIBRARY}
HINTS
$ENV{LUA_DIR}
PATH_SUFFIXES lib64 lib
PATHS
~/Library/Frameworks
/Library/Frameworks
/usr/local
/usr
/sw
/opt/local
/opt/csw
/opt
)
IF(LUA_LIBRARY)
# include the math library for Unix
IF(UNIX AND NOT APPLE)
FIND_LIBRARY(LUA_MATH_LIBRARY m)
SET( LUA_LIBRARIES "${LUA_LIBRARY};${LUA_MATH_LIBRARY}" CACHE STRING "Lua Libraries")
# For Windows and Mac, don't need to explicitly include the math library
ELSE(UNIX AND NOT APPLE)
SET( LUA_LIBRARIES "${LUA_LIBRARY}" CACHE STRING "Lua Libraries")
ENDIF(UNIX AND NOT APPLE)
ENDIF(LUA_LIBRARY)
# Determine Lua version
IF(LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/lua.h")
FILE(STRINGS "${LUA_INCLUDE_DIR}/lua.h" lua_version_str REGEX "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua .+\"")
STRING(REGEX REPLACE "^#define[ \t]+LUA_RELEASE[ \t]+\"Lua ([^\"]+)\".*" "\\1" LUA_VERSION_STRING "${lua_version_str}")
UNSET(lua_version_str)
ENDIF()
INCLUDE(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if
# all listed variables are TRUE
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Lua
REQUIRED_VARS LUA_LIBRARIES LUA_INCLUDE_DIR
VERSION_VAR LUA_VERSION_STRING)
MARK_AS_ADVANCED(LUA_INCLUDE_DIR LUA_LIBRARIES LUA_LIBRARY LUA_MATH_LIBRARY LUA_EXECUTABLE)

321
cmake/dist.cmake
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# LuaDist CMake utility library.
# Provides sane project defaults and macros common to LuaDist CMake builds.
#
# Copyright (C) 2007-2012 LuaDist.
# by David Manura, Peter Drahoš
# Redistribution and use of this file is allowed according to the terms of the MIT license.
# For details see the COPYRIGHT file distributed with LuaDist.
# Please note that the package source code is licensed under its own license.
## Extract information from dist.info
if ( NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/dist.info )
message ( FATAL_ERROR
"Missing dist.info file (${CMAKE_CURRENT_SOURCE_DIR}/dist.info)." )
endif ()
file ( READ ${CMAKE_CURRENT_SOURCE_DIR}/dist.info DIST_INFO )
if ( "${DIST_INFO}" STREQUAL "" )
message ( FATAL_ERROR "Failed to load dist.info." )
endif ()
# Reads field `name` from dist.info string `DIST_INFO` into variable `var`.
macro ( _parse_dist_field name var )
string ( REGEX REPLACE ".*${name}[ \t]?=[ \t]?[\"']([^\"']+)[\"'].*" "\\1"
${var} "${DIST_INFO}" )
if ( ${var} STREQUAL DIST_INFO )
message ( FATAL_ERROR "Failed to extract \"${var}\" from dist.info" )
endif ()
endmacro ()
#
_parse_dist_field ( name DIST_NAME )
_parse_dist_field ( version DIST_VERSION )
_parse_dist_field ( license DIST_LICENSE )
_parse_dist_field ( author DIST_AUTHOR )
_parse_dist_field ( maintainer DIST_MAINTAINER )
_parse_dist_field ( url DIST_URL )
_parse_dist_field ( desc DIST_DESC )
message ( "DIST_NAME: ${DIST_NAME}")
message ( "DIST_VERSION: ${DIST_VERSION}")
message ( "DIST_LICENSE: ${DIST_LICENSE}")
message ( "DIST_AUTHOR: ${DIST_AUTHOR}")
message ( "DIST_MAINTAINER: ${DIST_MAINTAINER}")
message ( "DIST_URL: ${DIST_URL}")
message ( "DIST_DESC: ${DIST_DESC}")
string ( REGEX REPLACE ".*depends[ \t]?=[ \t]?[\"']([^\"']+)[\"'].*" "\\1"
DIST_DEPENDS ${DIST_INFO} )
if ( DIST_DEPENDS STREQUAL DIST_INFO )
set ( DIST_DEPENDS "" )
endif ()
message ( "DIST_DEPENDS: ${DIST_DEPENDS}")
## 2DO: Parse DIST_DEPENDS and try to install Dependencies with automatically using externalproject_add
## INSTALL DEFAULTS (Relative to CMAKE_INSTALL_PREFIX)
# Primary paths
set ( INSTALL_BIN bin CACHE PATH "Where to install binaries to." )
set ( INSTALL_LIB lib CACHE PATH "Where to install libraries to." )
set ( INSTALL_INC include CACHE PATH "Where to install headers to." )
set ( INSTALL_ETC etc CACHE PATH "Where to store configuration files" )
set ( INSTALL_SHARE share CACHE PATH "Directory for shared data." )
# Secondary paths
option ( INSTALL_VERSION
"Install runtime libraries and executables with version information." OFF)
set ( INSTALL_DATA ${INSTALL_SHARE}/${DIST_NAME} CACHE PATH
"Directory the package can store documentation, tests or other data in.")
set ( INSTALL_DOC ${INSTALL_DATA}/doc CACHE PATH
"Recommended directory to install documentation into.")
set ( INSTALL_EXAMPLE ${INSTALL_DATA}/example CACHE PATH
"Recommended directory to install examples into.")
set ( INSTALL_TEST ${INSTALL_DATA}/test CACHE PATH
"Recommended directory to install tests into.")
set ( INSTALL_FOO ${INSTALL_DATA}/etc CACHE PATH
"Where to install additional files")
# Tweaks and other defaults
# Setting CMAKE to use loose block and search for find modules in source directory
set ( CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true )
set ( CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH} )
option ( BUILD_SHARED_LIBS "Build shared libraries" ON )
# In MSVC, prevent warnings that can occur when using standard libraries.
if ( MSVC )
add_definitions ( -D_CRT_SECURE_NO_WARNINGS )
endif ()
# RPath and relative linking
option ( USE_RPATH "Use relative linking." ON)
if ( USE_RPATH )
string ( REGEX REPLACE "[^!/]+" ".." UP_DIR ${INSTALL_BIN} )
set ( CMAKE_SKIP_BUILD_RPATH FALSE CACHE STRING "" FORCE )
set ( CMAKE_BUILD_WITH_INSTALL_RPATH FALSE CACHE STRING "" FORCE )
set ( CMAKE_INSTALL_RPATH $ORIGIN/${UP_DIR}/${INSTALL_LIB}
CACHE STRING "" FORCE )
set ( CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE CACHE STRING "" FORCE )
set ( CMAKE_INSTALL_NAME_DIR @executable_path/${UP_DIR}/${INSTALL_LIB}
CACHE STRING "" FORCE )
endif ()
## MACROS
# Parser macro
macro ( parse_arguments prefix arg_names option_names)
set ( DEFAULT_ARGS )
foreach ( arg_name ${arg_names} )
set ( ${prefix}_${arg_name} )
endforeach ()
foreach ( option ${option_names} )
set ( ${prefix}_${option} FALSE )
endforeach ()
set ( current_arg_name DEFAULT_ARGS )
set ( current_arg_list )
foreach ( arg ${ARGN} )
set ( larg_names ${arg_names} )
list ( FIND larg_names "${arg}" is_arg_name )
if ( is_arg_name GREATER -1 )
set ( ${prefix}_${current_arg_name} ${current_arg_list} )
set ( current_arg_name ${arg} )
set ( current_arg_list )
else ()
set ( loption_names ${option_names} )
list ( FIND loption_names "${arg}" is_option )
if ( is_option GREATER -1 )
set ( ${prefix}_${arg} TRUE )
else ()
set ( current_arg_list ${current_arg_list} ${arg} )
endif ()
endif ()
endforeach ()
set ( ${prefix}_${current_arg_name} ${current_arg_list} )
endmacro ()
# install_executable ( executable_targets )
# Installs any executables generated using "add_executable".
# USE: install_executable ( lua )
# NOTE: subdirectories are NOT supported
set ( CPACK_COMPONENT_RUNTIME_DISPLAY_NAME "${DIST_NAME} Runtime" )
set ( CPACK_COMPONENT_RUNTIME_DESCRIPTION
"Executables and runtime libraries. Installed into ${INSTALL_BIN}." )
macro ( install_executable )
foreach ( _file ${ARGN} )
if ( INSTALL_VERSION )
set_target_properties ( ${_file} PROPERTIES VERSION ${DIST_VERSION}
SOVERSION ${DIST_VERSION} )
endif ()
install ( TARGETS ${_file} RUNTIME DESTINATION ${INSTALL_BIN}
COMPONENT Runtime )
endforeach()
endmacro ()
# install_library ( library_targets )
# Installs any libraries generated using "add_library" into apropriate places.
# USE: install_library ( libexpat )
# NOTE: subdirectories are NOT supported
set ( CPACK_COMPONENT_LIBRARY_DISPLAY_NAME "${DIST_NAME} Development Libraries" )
set ( CPACK_COMPONENT_LIBRARY_DESCRIPTION
"Static and import libraries needed for development. Installed into ${INSTALL_LIB} or ${INSTALL_BIN}." )
macro ( install_library )
foreach ( _file ${ARGN} )
if ( INSTALL_VERSION )
set_target_properties ( ${_file} PROPERTIES VERSION ${DIST_VERSION}
SOVERSION ${DIST_VERSION} )
endif ()
install ( TARGETS ${_file}
RUNTIME DESTINATION ${INSTALL_BIN} COMPONENT Runtime
LIBRARY DESTINATION ${INSTALL_LIB} COMPONENT Runtime
ARCHIVE DESTINATION ${INSTALL_LIB} COMPONENT Library )
endforeach()
endmacro ()
# helper function for various install_* functions, for PATTERN/REGEX args.
macro ( _complete_install_args )
if ( NOT("${_ARG_PATTERN}" STREQUAL "") )
set ( _ARG_PATTERN PATTERN ${_ARG_PATTERN} )
endif ()
if ( NOT("${_ARG_REGEX}" STREQUAL "") )
set ( _ARG_REGEX REGEX ${_ARG_REGEX} )
endif ()
endmacro ()
# install_header ( files/directories [INTO destination] )
# Install a directories or files into header destination.
# USE: install_header ( lua.h luaconf.h ) or install_header ( GL )
# USE: install_header ( mylib.h INTO mylib )
# For directories, supports optional PATTERN/REGEX arguments like install().
set ( CPACK_COMPONENT_HEADER_DISPLAY_NAME "${DIST_NAME} Development Headers" )
set ( CPACK_COMPONENT_HEADER_DESCRIPTION
"Headers needed for development. Installed into ${INSTALL_INC}." )
macro ( install_header )
parse_arguments ( _ARG "INTO;PATTERN;REGEX" "" ${ARGN} )
_complete_install_args()
foreach ( _file ${_ARG_DEFAULT_ARGS} )
if ( IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/${_file}" )
install ( DIRECTORY ${_file} DESTINATION ${INSTALL_INC}/${_ARG_INTO}
COMPONENT Header ${_ARG_PATTERN} ${_ARG_REGEX} )
else ()
install ( FILES ${_file} DESTINATION ${INSTALL_INC}/${_ARG_INTO}
COMPONENT Header )
endif ()
endforeach()
endmacro ()
# install_data ( files/directories [INTO destination] )
# This installs additional data files or directories.
# USE: install_data ( extra data.dat )
# USE: install_data ( image1.png image2.png INTO images )
# For directories, supports optional PATTERN/REGEX arguments like install().
set ( CPACK_COMPONENT_DATA_DISPLAY_NAME "${DIST_NAME} Data" )
set ( CPACK_COMPONENT_DATA_DESCRIPTION
"Application data. Installed into ${INSTALL_DATA}." )
macro ( install_data )
parse_arguments ( _ARG "INTO;PATTERN;REGEX" "" ${ARGN} )
_complete_install_args()
foreach ( _file ${_ARG_DEFAULT_ARGS} )
if ( IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/${_file}" )
install ( DIRECTORY ${_file}
DESTINATION ${INSTALL_DATA}/${_ARG_INTO}
COMPONENT Data ${_ARG_PATTERN} ${_ARG_REGEX} )
else ()
install ( FILES ${_file} DESTINATION ${INSTALL_DATA}/${_ARG_INTO}
COMPONENT Data )
endif ()
endforeach()
endmacro ()
# INSTALL_DOC ( files/directories [INTO destination] )
# This installs documentation content
# USE: install_doc ( doc/ doc.pdf )
# USE: install_doc ( index.html INTO html )
# For directories, supports optional PATTERN/REGEX arguments like install().
set ( CPACK_COMPONENT_DOCUMENTATION_DISPLAY_NAME "${DIST_NAME} Documentation" )
set ( CPACK_COMPONENT_DOCUMENTATION_DESCRIPTION
"Application documentation. Installed into ${INSTALL_DOC}." )
macro ( install_doc )
parse_arguments ( _ARG "INTO;PATTERN;REGEX" "" ${ARGN} )
_complete_install_args()
foreach ( _file ${_ARG_DEFAULT_ARGS} )
if ( IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/${_file}" )
install ( DIRECTORY ${_file} DESTINATION ${INSTALL_DOC}/${_ARG_INTO}
COMPONENT Documentation ${_ARG_PATTERN} ${_ARG_REGEX} )
else ()
install ( FILES ${_file} DESTINATION ${INSTALL_DOC}/${_ARG_INTO}
COMPONENT Documentation )
endif ()
endforeach()
endmacro ()
# install_example ( files/directories [INTO destination] )
# This installs additional examples
# USE: install_example ( examples/ exampleA )
# USE: install_example ( super_example super_data INTO super)
# For directories, supports optional PATTERN/REGEX argument like install().
set ( CPACK_COMPONENT_EXAMPLE_DISPLAY_NAME "${DIST_NAME} Examples" )
set ( CPACK_COMPONENT_EXAMPLE_DESCRIPTION
"Examples and their associated data. Installed into ${INSTALL_EXAMPLE}." )
macro ( install_example )
parse_arguments ( _ARG "INTO;PATTERN;REGEX" "" ${ARGN} )
_complete_install_args()
foreach ( _file ${_ARG_DEFAULT_ARGS} )
if ( IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/${_file}" )
install ( DIRECTORY ${_file} DESTINATION ${INSTALL_EXAMPLE}/${_ARG_INTO}
COMPONENT Example ${_ARG_PATTERN} ${_ARG_REGEX} )
else ()
install ( FILES ${_file} DESTINATION ${INSTALL_EXAMPLE}/${_ARG_INTO}
COMPONENT Example )
endif ()
endforeach()
endmacro ()
# install_test ( files/directories [INTO destination] )
# This installs tests and test files, DOES NOT EXECUTE TESTS
# USE: install_test ( my_test data.sql )
# USE: install_test ( feature_x_test INTO x )
# For directories, supports optional PATTERN/REGEX argument like install().
set ( CPACK_COMPONENT_TEST_DISPLAY_NAME "${DIST_NAME} Tests" )
set ( CPACK_COMPONENT_TEST_DESCRIPTION
"Tests and associated data. Installed into ${INSTALL_TEST}." )
macro ( install_test )
parse_arguments ( _ARG "INTO;PATTERN;REGEX" "" ${ARGN} )
_complete_install_args()
foreach ( _file ${_ARG_DEFAULT_ARGS} )
if ( IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/${_file}" )
install ( DIRECTORY ${_file} DESTINATION ${INSTALL_TEST}/${_ARG_INTO}
COMPONENT Test ${_ARG_PATTERN} ${_ARG_REGEX} )
else ()
install ( FILES ${_file} DESTINATION ${INSTALL_TEST}/${_ARG_INTO}
COMPONENT Test )
endif ()
endforeach()
endmacro ()
# install_foo ( files/directories [INTO destination] )
# This installs optional or otherwise unneeded content
# USE: install_foo ( etc/ example.doc )
# USE: install_foo ( icon.png logo.png INTO icons)
# For directories, supports optional PATTERN/REGEX argument like install().
set ( CPACK_COMPONENT_OTHER_DISPLAY_NAME "${DIST_NAME} Unspecified Content" )
set ( CPACK_COMPONENT_OTHER_DESCRIPTION
"Other unspecified content. Installed into ${INSTALL_FOO}." )
macro ( install_foo )
parse_arguments ( _ARG "INTO;PATTERN;REGEX" "" ${ARGN} )
_complete_install_args()
foreach ( _file ${_ARG_DEFAULT_ARGS} )
if ( IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/${_file}" )
install ( DIRECTORY ${_file} DESTINATION ${INSTALL_FOO}/${_ARG_INTO}
COMPONENT Other ${_ARG_PATTERN} ${_ARG_REGEX} )
else ()
install ( FILES ${_file} DESTINATION ${INSTALL_FOO}/${_ARG_INTO}
COMPONENT Other )
endif ()
endforeach()
endmacro ()
## CTest defaults
## CPack defaults
set ( CPACK_GENERATOR "ZIP" )
set ( CPACK_STRIP_FILES TRUE )
set ( CPACK_PACKAGE_NAME "${DIST_NAME}" )
set ( CPACK_PACKAGE_VERSION "${DIST_VERSION}")
set ( CPACK_PACKAGE_VENDOR "LuaDist" )
set ( CPACK_COMPONENTS_ALL Runtime Library Header Data Documentation Example Other )
include ( CPack )

390
cmake/lua.cmake
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# LuaDist CMake utility library for Lua.
#
# Copyright (C) 2007-2012 LuaDist.
# by David Manura, Peter Drahos
# Redistribution and use of this file is allowed according to the terms of the MIT license.
# For details see the COPYRIGHT file distributed with LuaDist.
# Please note that the package source code is licensed under its own license.
set ( INSTALL_LMOD ${INSTALL_LIB}/lua
CACHE PATH "Directory to install Lua modules." )
set ( INSTALL_CMOD ${INSTALL_LIB}/lua
CACHE PATH "Directory to install Lua binary modules." )
option ( SKIP_LUA_WRAPPER
"Do not build and install Lua executable wrappers." OFF)
# List of (Lua module name, file path) pairs.
# Used internally by add_lua_test. Built by add_lua_module.
set ( _lua_modules )
# utility function: appends path `path` to path `basepath`, properly
# handling cases when `path` may be relative or absolute.
macro ( _append_path basepath path result )
if ( IS_ABSOLUTE "${path}" )
set ( ${result} "${path}" )
else ()
set ( ${result} "${basepath}/${path}" )
endif ()
endmacro ()
# install_lua_executable ( target source )
# Automatically generate a binary wrapper for lua application and install it
# The wrapper and the source of the application will be placed into /bin
# If the application source did not have .lua suffix then it will be added
# USE: lua_executable ( sputnik src/sputnik.lua )
macro ( install_lua_executable _name _source )
get_filename_component ( _source_name ${_source} NAME_WE )
if ( NOT SKIP_LUA_WRAPPER )
enable_language ( C )
find_package ( Lua REQUIRED )
include_directories ( ${LUA_INCLUDE_DIR} )
set ( _wrapper ${CMAKE_CURRENT_BINARY_DIR}/${_name}.c )
set ( _code
"// Not so simple executable wrapper for Lua apps
#include <stdio.h>
#include <signal.h>
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
lua_State *L\;
static int getargs (lua_State *L, char **argv, int n) {
int narg\;
int i\;
int argc = 0\;
while (argv[argc]) argc++\;
narg = argc - (n + 1)\;
luaL_checkstack(L, narg + 3, \"too many arguments to script\")\;
for (i=n+1\; i < argc\; i++)
lua_pushstring(L, argv[i])\;
lua_createtable(L, narg, n + 1)\;
for (i=0\; i < argc\; i++) {
lua_pushstring(L, argv[i])\;
lua_rawseti(L, -2, i - n)\;
}
return narg\;
}
static void lstop (lua_State *L, lua_Debug *ar) {
(void)ar\;
lua_sethook(L, NULL, 0, 0)\;
luaL_error(L, \"interrupted!\")\;
}
static void laction (int i) {
signal(i, SIG_DFL)\;
lua_sethook(L, lstop, LUA_MASKCALL | LUA_MASKRET | LUA_MASKCOUNT, 1)\;
}
static void l_message (const char *pname, const char *msg) {
if (pname) fprintf(stderr, \"%s: \", pname)\;
fprintf(stderr, \"%s\\n\", msg)\;
fflush(stderr)\;
}
static int report (lua_State *L, int status) {
if (status && !lua_isnil(L, -1)) {
const char *msg = lua_tostring(L, -1)\;
if (msg == NULL) msg = \"(error object is not a string)\"\;
l_message(\"${_source_name}\", msg)\;
lua_pop(L, 1)\;
}
return status\;
}
static int traceback (lua_State *L) {
if (!lua_isstring(L, 1))
return 1\;
lua_getfield(L, LUA_GLOBALSINDEX, \"debug\")\;
if (!lua_istable(L, -1)) {
lua_pop(L, 1)\;
return 1\;
}
lua_getfield(L, -1, \"traceback\")\;
if (!lua_isfunction(L, -1)) {
lua_pop(L, 2)\;
return 1\;
}
lua_pushvalue(L, 1)\;
lua_pushinteger(L, 2)\;
lua_call(L, 2, 1)\;
return 1\;
}
static int docall (lua_State *L, int narg, int clear) {
int status\;
int base = lua_gettop(L) - narg\;
lua_pushcfunction(L, traceback)\;
lua_insert(L, base)\;
signal(SIGINT, laction)\;
status = lua_pcall(L, narg, (clear ? 0 : LUA_MULTRET), base)\;
signal(SIGINT, SIG_DFL)\;
lua_remove(L, base)\;
if (status != 0) lua_gc(L, LUA_GCCOLLECT, 0)\;
return status\;
}
int main (int argc, char **argv) {
L=lua_open()\;
lua_gc(L, LUA_GCSTOP, 0)\;
luaL_openlibs(L)\;
lua_gc(L, LUA_GCRESTART, 0)\;
int narg = getargs(L, argv, 0)\;
lua_setglobal(L, \"arg\")\;
// Script
char script[500] = \"./${_source_name}.lua\"\;
lua_getglobal(L, \"_PROGDIR\")\;
if (lua_isstring(L, -1)) {
sprintf( script, \"%s/${_source_name}.lua\", lua_tostring(L, -1))\;
}
lua_pop(L, 1)\;
// Run
int status = luaL_loadfile(L, script)\;
lua_insert(L, -(narg+1))\;
if (status == 0)
status = docall(L, narg, 0)\;
else
lua_pop(L, narg)\;
report(L, status)\;
lua_close(L)\;
return status\;
};
")
file ( WRITE ${_wrapper} ${_code} )
add_executable ( ${_name} ${_wrapper} )
target_link_libraries ( ${_name} ${LUA_LIBRARY} )
install ( TARGETS ${_name} DESTINATION ${INSTALL_BIN} )
endif()
install ( PROGRAMS ${_source} DESTINATION ${INSTALL_BIN}
RENAME ${_source_name}.lua )
endmacro ()
macro ( _lua_module_helper is_install _name )
parse_arguments ( _MODULE "LINK;ALL_IN_ONE" "" ${ARGN} )
# _target is CMake-compatible target name for module (e.g. socket_core).
# _module is relative path of target (e.g. socket/core),
# without extension (e.g. .lua/.so/.dll).
# _MODULE_SRC is list of module source files (e.g. .lua and .c files).
# _MODULE_NAMES is list of module names (e.g. socket.core).
if ( _MODULE_ALL_IN_ONE )
string ( REGEX REPLACE "\\..*" "" _target "${_name}" )
string ( REGEX REPLACE "\\..*" "" _module "${_name}" )
set ( _target "${_target}_all_in_one")
set ( _MODULE_SRC ${_MODULE_ALL_IN_ONE} )
set ( _MODULE_NAMES ${_name} ${_MODULE_DEFAULT_ARGS} )
else ()
string ( REPLACE "." "_" _target "${_name}" )
string ( REPLACE "." "/" _module "${_name}" )
set ( _MODULE_SRC ${_MODULE_DEFAULT_ARGS} )
set ( _MODULE_NAMES ${_name} )
endif ()
if ( NOT _MODULE_SRC )
message ( FATAL_ERROR "no module sources specified" )
endif ()
list ( GET _MODULE_SRC 0 _first_source )
get_filename_component ( _ext ${_first_source} EXT )
if ( _ext STREQUAL ".lua" ) # Lua source module
list ( LENGTH _MODULE_SRC _len )
if ( _len GREATER 1 )
message ( FATAL_ERROR "more than one source file specified" )
endif ()
set ( _module "${_module}.lua" )
get_filename_component ( _module_dir ${_module} PATH )
get_filename_component ( _module_filename ${_module} NAME )
_append_path ( "${CMAKE_CURRENT_SOURCE_DIR}" "${_first_source}" _module_path )
list ( APPEND _lua_modules "${_name}" "${_module_path}" )
if ( ${is_install} )
install ( FILES ${_first_source} DESTINATION ${INSTALL_LMOD}/${_module_dir}
RENAME ${_module_filename} )
endif ()
else () # Lua C binary module
enable_language ( C )
find_package ( Lua REQUIRED )
include_directories ( ${LUA_INCLUDE_DIR} )
set ( _module "${_module}${CMAKE_SHARED_MODULE_SUFFIX}" )
get_filename_component ( _module_dir ${_module} PATH )
get_filename_component ( _module_filenamebase ${_module} NAME_WE )
foreach ( _thisname ${_MODULE_NAMES} )
list ( APPEND _lua_modules "${_thisname}"
"${CMAKE_CURRENT_BINARY_DIR}/\${CMAKE_CFG_INTDIR}/${_module}" )
endforeach ()
add_library( ${_target} MODULE ${_MODULE_SRC})
target_link_libraries ( ${_target} ${LUA_LIBRARY} ${_MODULE_LINK} )
set_target_properties ( ${_target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY
"${_module_dir}" PREFIX "" OUTPUT_NAME "${_module_filenamebase}" )
if ( ${is_install} )
install ( TARGETS ${_target} DESTINATION ${INSTALL_CMOD}/${_module_dir})
endif ()
endif ()
endmacro ()
# add_lua_module
# Builds a Lua source module into a destination locatable by Lua
# require syntax.
# Binary modules are also supported where this function takes sources and
# libraries to compile separated by LINK keyword.
# USE: add_lua_module ( socket.http src/http.lua )
# USE2: add_lua_module ( mime.core src/mime.c )
# USE3: add_lua_module ( socket.core ${SRC_SOCKET} LINK ${LIB_SOCKET} )
# USE4: add_lua_module ( ssl.context ssl.core ALL_IN_ONE src/context.c src/ssl.c )
# This form builds an "all-in-one" module (e.g. ssl.so or ssl.dll containing
# both modules ssl.context and ssl.core). The CMake target name will be
# ssl_all_in_one.
# Also sets variable _module_path (relative path where module typically
# would be installed).
macro ( add_lua_module )
_lua_module_helper ( 0 ${ARGN} )
endmacro ()
# install_lua_module
# This is the same as `add_lua_module` but also installs the module.
# USE: install_lua_module ( socket.http src/http.lua )
# USE2: install_lua_module ( mime.core src/mime.c )
# USE3: install_lua_module ( socket.core ${SRC_SOCKET} LINK ${LIB_SOCKET} )
macro ( install_lua_module )
_lua_module_helper ( 1 ${ARGN} )
endmacro ()
# Builds string representing Lua table mapping Lua modules names to file
# paths. Used internally.
macro ( _make_module_table _outvar )
set ( ${_outvar} )
list ( LENGTH _lua_modules _n )
if ( ${_n} GREATER 0 ) # avoids cmake complaint
foreach ( _i RANGE 1 ${_n} 2 )
list ( GET _lua_modules ${_i} _path )
math ( EXPR _ii ${_i}-1 )
list ( GET _lua_modules ${_ii} _name )
set ( ${_outvar} "${_table} ['${_name}'] = '${_path}'\;\n")
endforeach ()
endif ()
set ( ${_outvar}
"local modules = {
${_table}}" )
endmacro ()
# add_lua_test ( _testfile [ WORKING_DIRECTORY _working_dir ] )
# Runs Lua script `_testfile` under CTest tester.
# Optional named argument `WORKING_DIRECTORY` is current working directory to
# run test under (defaults to ${CMAKE_CURRENT_BINARY_DIR}).
# Both paths, if relative, are relative to ${CMAKE_CURRENT_SOURCE_DIR}.
# Any modules previously defined with install_lua_module are automatically
# preloaded (via package.preload) prior to running the test script.
# Under LuaDist, set test=true in config.lua to enable testing.
# USE: add_lua_test ( test/test1.lua [args...] [WORKING_DIRECTORY dir])
macro ( add_lua_test _testfile )
if ( NOT SKIP_TESTING )
parse_arguments ( _ARG "WORKING_DIRECTORY" "" ${ARGN} )
include ( CTest )
find_program ( LUA NAMES lua lua.bat )
get_filename_component ( TESTFILEABS ${_testfile} ABSOLUTE )
get_filename_component ( TESTFILENAME ${_testfile} NAME )
get_filename_component ( TESTFILEBASE ${_testfile} NAME_WE )
# Write wrapper script.
# Note: One simple way to allow the script to find modules is
# to just put them in package.preload.
set ( TESTWRAPPER ${CMAKE_CURRENT_BINARY_DIR}/${TESTFILENAME} )
_make_module_table ( _table )
set ( TESTWRAPPERSOURCE
"local CMAKE_CFG_INTDIR = ... or '.'
${_table}
local function preload_modules(modules)
for name, path in pairs(modules) do
if path:match'%.lua' then
package.preload[name] = assert(loadfile(path))
else
local name = name:gsub('.*%-', '') -- remove any hyphen prefix
local symbol = 'luaopen_' .. name:gsub('%.', '_')
--improve: generalize to support all-in-one loader?
local path = path:gsub('%$%{CMAKE_CFG_INTDIR%}', CMAKE_CFG_INTDIR)
package.preload[name] = assert(package.loadlib(path, symbol))
end
end
end
preload_modules(modules)
arg[0] = '${TESTFILEABS}'
table.remove(arg, 1)
return assert(loadfile '${TESTFILEABS}')(unpack(arg))
" )
if ( _ARG_WORKING_DIRECTORY )
get_filename_component (
TESTCURRENTDIRABS ${_ARG_WORKING_DIRECTORY} ABSOLUTE )
# note: CMake 2.6 (unlike 2.8) lacks WORKING_DIRECTORY parameter.
set ( _pre ${CMAKE_COMMAND} -E chdir "${TESTCURRENTDIRABS}" )
endif ()
file ( WRITE ${TESTWRAPPER} ${TESTWRAPPERSOURCE})
add_test ( NAME ${TESTFILEBASE} COMMAND ${_pre} ${LUA}
${TESTWRAPPER} "${CMAKE_CFG_INTDIR}"
${_ARG_DEFAULT_ARGS} )
endif ()
# see also http://gdcm.svn.sourceforge.net/viewvc/gdcm/Sandbox/CMakeModules/UsePythonTest.cmake
# Note: ${CMAKE_CFG_INTDIR} is a command-line argument to allow proper
# expansion by the native build tool.
endmacro ()
# Converts Lua source file `_source` to binary string embedded in C source
# file `_target`. Optionally compiles Lua source to byte code (not available
# under LuaJIT2, which doesn't have a bytecode loader). Additionally, Lua
# versions of bin2c [1] and luac [2] may be passed respectively as additional
# arguments.
#
# [1] http://lua-users.org/wiki/BinToCee
# [2] http://lua-users.org/wiki/LuaCompilerInLua
function ( add_lua_bin2c _target _source )
find_program ( LUA NAMES lua lua.bat )
execute_process ( COMMAND ${LUA} -e "string.dump(function()end)"
RESULT_VARIABLE _LUA_DUMP_RESULT ERROR_QUIET )
if ( NOT ${_LUA_DUMP_RESULT} )
SET ( HAVE_LUA_DUMP true )
endif ()
message ( "-- string.dump=${HAVE_LUA_DUMP}" )
if ( ARGV2 )
get_filename_component ( BIN2C ${ARGV2} ABSOLUTE )
set ( BIN2C ${LUA} ${BIN2C} )
else ()
find_program ( BIN2C NAMES bin2c bin2c.bat )
endif ()
if ( HAVE_LUA_DUMP )
if ( ARGV3 )
get_filename_component ( LUAC ${ARGV3} ABSOLUTE )
set ( LUAC ${LUA} ${LUAC} )
else ()
find_program ( LUAC NAMES luac luac.bat )
endif ()
endif ( HAVE_LUA_DUMP )
message ( "-- bin2c=${BIN2C}" )
message ( "-- luac=${LUAC}" )
get_filename_component ( SOURCEABS ${_source} ABSOLUTE )
if ( HAVE_LUA_DUMP )
get_filename_component ( SOURCEBASE ${_source} NAME_WE )
add_custom_command (
OUTPUT ${_target} DEPENDS ${_source}
COMMAND ${LUAC} -o ${CMAKE_CURRENT_BINARY_DIR}/${SOURCEBASE}.lo
${SOURCEABS}
COMMAND ${BIN2C} ${CMAKE_CURRENT_BINARY_DIR}/${SOURCEBASE}.lo
">${_target}" )
else ()
add_custom_command (
OUTPUT ${_target} DEPENDS ${SOURCEABS}
COMMAND ${BIN2C} ${_source} ">${_target}" )
endif ()
endfunction()

35
dist.info
View File

@ -1,14 +1,29 @@
--- This file is part of LuaDist project
name = "dkjson"
version = "2.5"
type = "x86"
arch = "Windows"
author = "David Kolf"
depends = {
[[lua >= 5.1]],
}
desc = "dkjson is a module for encoding and decoding JSON data. It supports UTF-8."
author = "David Kolf"
license = "MIT/X11"
url = "http://dkolf.de/src/dkjson-lua.fsl/"
version = "2.2"
maintainer = "Peter Drahoš"
depends = {
"lua >= 5.1"
files = {
Example = {
[[share\dkjson\example\jsontest.lua]],
[[share\dkjson\example\speedtest.lua]],
}
,
Data = {
[[share\dkjson\versions.txt]],
}
,
Unspecified = {
[[lib\lua\dkjson.lua]],
}
,
}
license = "MIT/X11"
name = "dkjson"
url = "http://chiselapp.com/user/dhkolf/repository/dkjson/"

30
dkjson-2.5-2.rockspec
View File

@ -1,30 +0,0 @@
package = "dkjson"
version = "2.5-2"
source = {
url = "http://dkolf.de/src/dkjson-lua.fsl/tarball/dkjson-2.5.tar.gz?uuid=release_2_5",
file = "dkjson-2.5.tar.gz"
}
description = {
summary = "David Kolf's JSON module for Lua",
detailed = [[
dkjson is a module for encoding and decoding JSON data. It supports UTF-8.
JSON (JavaScript Object Notation) is a format for serializing data based
on the syntax for JavaScript data structures.
dkjson is written in Lua without any dependencies, but
when LPeg is available dkjson uses it to speed up decoding.
]],
homepage = "http://dkolf.de/src/dkjson-lua.fsl/",
license = "MIT/X11"
}
dependencies = {
"lua >= 5.1, < 5.4"
}
build = {
type = "builtin",
modules = {
dkjson = "dkjson.lua"
}
}

319
dkjson.lua → lib/lua/dkjson.lua
View File

@ -1,23 +1,170 @@
-- Module options:
local always_try_using_lpeg = true
local register_global_module_table = false
local global_module_name = 'json'
-- Module options:
local always_try_using_lpeg = true
--[==[
--[==[
David Kolf's JSON module for Lua 5.1/5.2
========================================
Version 2.5
*Version 2.2*
This module writes no global values, not even the module table.
Import it using
For the documentation see the corresponding readme.txt or visit
<http://dkolf.de/src/dkjson-lua.fsl/>.
json = require ("dkjson")
You can contact the author by sending an e-mail to 'david' at the
domain 'dkolf.de'.
Exported functions and values:
`json.encode (object [, state])`
--------------------------------
Copyright (C) 2010-2014 David Heiko Kolf
Create a string representing the object. `Object` can be a table,
a string, a number, a boolean, `nil`, `json.null` or any object with
a function `__tojson` in its metatable. A table can only use strings
and numbers as keys and its values have to be valid objects as
well. It raises an error for any invalid data types or reference
cycles.
`state` is an optional table with the following fields:
- `indent`
When `indent` (a boolean) is set, the created string will contain
newlines and indentations. Otherwise it will be one long line.
- `keyorder`
`keyorder` is an array to specify the ordering of keys in the
encoded output. If an object has keys which are not in this array
they are written after the sorted keys.
- `level`
This is the initial level of indentation used when `indent` is
set. For each level two spaces are added. When absent it is set
to 0.
- `buffer`
`buffer` is an array to store the strings for the result so they
can be concatenated at once. When it isn't given, the encode
function will create it temporary and will return the
concatenated result.
- `bufferlen`
When `bufferlen` is set, it has to be the index of the last
element of `buffer`.
- `tables`
`tables` is a set to detect reference cycles. It is created
temporary when absent. Every table that is currently processed
is used as key, the value is `true`.
When `state.buffer` was set, the return value will be `true` on
success. Without `state.buffer` the return value will be a string.
`json.decode (string [, position [, null]])`
--------------------------------------------
Decode `string` starting at `position` or at 1 if `position` was
omitted.
`null` is an optional value to be returned for null values. The
default is `nil`, but you could set it to `json.null` or any other
value.
The return values are the object or `nil`, the position of the next
character that doesn't belong to the object, and in case of errors
an error message.
Two metatables are created. Every array or object that is decoded gets
a metatable with the `__jsontype` field set to either `array` or
`object`. If you want to provide your own metatables use the syntax
json.decode (string, position, null, objectmeta, arraymeta)
To prevent the assigning of metatables pass `nil`:
json.decode (string, position, null, nil)
`<metatable>.__jsonorder`
-------------------------
`__jsonorder` can overwrite the `keyorder` for a specific table.
`<metatable>.__jsontype`
------------------------
`__jsontype` can be either `"array"` or `"object"`. This value is only
checked for empty tables. (The default for empty tables is `"array"`).
`<metatable>.__tojson (self, state)`
------------------------------------
You can provide your own `__tojson` function in a metatable. In this
function you can either add directly to the buffer and return true,
or you can return a string. On errors nil and a message should be
returned.
`json.null`
-----------
You can use this value for setting explicit `null` values.
`json.version`
--------------
Set to `"dkjson 2.2"`.
`json.quotestring (string)`
---------------------------
Quote a UTF-8 string and escape critical characters using JSON
escape sequences. This function is only necessary when you build
your own `__tojson` functions.
`json.addnewline (state)`
-------------------------
When `state.indent` is set, add a newline to `state.buffer` and spaces
according to `state.level`.
LPeg support
------------
When the local configuration variable `always_try_using_lpeg` is set,
this module tries to load LPeg to replace the `decode` function. The
speed increase is significant. You can get the LPeg module at
<http://www.inf.puc-rio.br/~roberto/lpeg/>.
When LPeg couldn't be loaded, the pure Lua functions stay active.
In case you don't want this module to require LPeg on its own,
disable the option `always_try_using_lpeg` in the options section at
the top of the module.
In this case you can later load LPeg support using
### `json.use_lpeg ()`
Require the LPeg module and replace the functions `quotestring` and
and `decode` with functions that use LPeg patterns.
This function returns the module table, so you can load the module
using:
json = require "dkjson".use_lpeg()
Alternatively you can use `pcall` so the JSON module still works when
LPeg isn't found.
json = require "dkjson"
pcall (json.use_lpeg)
### `json.using_lpeg`
This variable is set to `true` when LPeg was loaded successfully.
---------------------------------------------------------------------
Contact
-------
You can contact the author by sending an e-mail to 'kolf' at the
e-mail provider 'gmx.de'.
---------------------------------------------------------------------
*Copyright (C) 2010, 2011, 2012 David Heiko Kolf*
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
@ -39,7 +186,13 @@ ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
--]==]
<!-- This documentation can be parsed using Markdown to generate HTML.
The source code is enclosed in a HTML comment so it won't be displayed
by browsers, but it should be removed from the final HTML file as
it isn't a valid HTML comment (and wastes space).
-->
<!--]==]
-- global dependencies:
local pairs, type, tostring, tonumber, getmetatable, setmetatable, rawset =
@ -49,17 +202,12 @@ local floor, huge = math.floor, math.huge
local strrep, gsub, strsub, strbyte, strchar, strfind, strlen, strformat =
string.rep, string.gsub, string.sub, string.byte, string.char,
string.find, string.len, string.format
local strmatch = string.match
local concat = table.concat
local json = { version = "dkjson 2.5" }
if register_global_module_table then
_G[global_module_name] = json
end
local _ENV = nil -- blocking globals in Lua 5.2
local json = { version = "dkjson 2.2" }
pcall (function()
-- Enable access to blocked metatables.
-- Don't worry, this module doesn't change anything in them.
@ -149,48 +297,15 @@ local function quotestring (value)
value = fsub (value, "\216[\128-\132]", escapeutf8)
value = fsub (value, "\220\143", escapeutf8)
value = fsub (value, "\225\158[\180\181]", escapeutf8)
value = fsub (value, "\226\128[\140-\143\168-\175]", escapeutf8)
value = fsub (value, "\226\128[\140-\143\168\175]", escapeutf8)
value = fsub (value, "\226\129[\160-\175]", escapeutf8)
value = fsub (value, "\239\187\191", escapeutf8)
value = fsub (value, "\239\191[\176-\191]", escapeutf8)
value = fsub (value, "\239\191[\176\191]", escapeutf8)
end
return "\"" .. value .. "\""
end
json.quotestring = quotestring
local function replace(str, o, n)
local i, j = strfind (str, o, 1, true)
if i then
return strsub(str, 1, i-1) .. n .. strsub(str, j+1, -1)
else
return str
end
end
-- locale independent num2str and str2num functions
local decpoint, numfilter
local function updatedecpoint ()
decpoint = strmatch(tostring(0.5), "([^05+])")
-- build a filter that can be used to remove group separators
numfilter = "[^0-9%-%+eE" .. gsub(decpoint, "[%^%$%(%)%%%.%[%]%*%+%-%?]", "%%%0") .. "]+"
end
updatedecpoint()
local function num2str (num)
return replace(fsub(tostring(num), numfilter, ""), decpoint, ".")
end
local function str2num (str)
local num = tonumber(replace(str, ".", decpoint))
if not num then
updatedecpoint()
num = tonumber(replace(str, ".", decpoint))
end
return num
end
local function addnewline2 (level, buffer, buflen)
buffer[buflen+1] = "\n"
buffer[buflen+2] = strrep (" ", level)
@ -207,7 +322,7 @@ end
local encode2 -- forward declaration
local function addpair (key, value, prev, indent, level, buffer, buflen, tables, globalorder, state)
local function addpair (key, value, prev, indent, level, buffer, buflen, tables, globalorder)
local kt = type (key)
if kt ~= 'string' and kt ~= 'number' then
return nil, "type '" .. kt .. "' is not supported as a key by JSON."
@ -221,50 +336,31 @@ local function addpair (key, value, prev, indent, level, buffer, buflen, tables,
end
buffer[buflen+1] = quotestring (key)
buffer[buflen+2] = ":"
return encode2 (value, indent, level, buffer, buflen + 2, tables, globalorder, state)
return encode2 (value, indent, level, buffer, buflen + 2, tables, globalorder)
end
local function appendcustom(res, buffer, state)
local buflen = state.bufferlen
if type (res) == 'string' then
buflen = buflen + 1
buffer[buflen] = res
end
return buflen
end
local function exception(reason, value, state, buffer, buflen, defaultmessage)
defaultmessage = defaultmessage or reason
local handler = state.exception
if not handler then
return nil, defaultmessage
else
state.bufferlen = buflen
local ret, msg = handler (reason, value, state, defaultmessage)
if not ret then return nil, msg or defaultmessage end
return appendcustom(ret, buffer, state)
end
end
function json.encodeexception(reason, value, state, defaultmessage)
return quotestring("<" .. defaultmessage .. ">")
end
encode2 = function (value, indent, level, buffer, buflen, tables, globalorder, state)
encode2 = function (value, indent, level, buffer, buflen, tables, globalorder)
local valtype = type (value)
local valmeta = getmetatable (value)
valmeta = type (valmeta) == 'table' and valmeta -- only tables
local valtojson = valmeta and valmeta.__tojson
if valtojson then
if tables[value] then
return exception('reference cycle', value, state, buffer, buflen)
return nil, "reference cycle"
end
tables[value] = true
state.bufferlen = buflen
local state = {
indent = indent, level = level, buffer = buffer,
bufferlen = buflen, tables = tables, keyorder = globalorder
}
local ret, msg = valtojson (value, state)
if not ret then return exception('custom encoder failed', value, state, buffer, buflen, msg) end
if not ret then return nil, msg end
tables[value] = nil
buflen = appendcustom(ret, buffer, state)
buflen = state.bufferlen
if type (ret) == 'string' then
buflen = buflen + 1
buffer[buflen] = ret
end
elseif value == nil then
buflen = buflen + 1
buffer[buflen] = "null"
@ -274,7 +370,7 @@ encode2 = function (value, indent, level, buffer, buflen, tables, globalorder, s
-- This is the behaviour of the original JSON implementation.
s = "null"
else
s = num2str (value)
s = tostring (value)
end
buflen = buflen + 1
buffer[buflen] = s
@ -286,7 +382,7 @@ encode2 = function (value, indent, level, buffer, buflen, tables, globalorder, s
buffer[buflen] = quotestring (value)
elseif valtype == 'table' then
if tables[value] then
return exception('reference cycle', value, state, buffer, buflen)
return nil, "reference cycle"
end
tables[value] = true
level = level + 1
@ -299,7 +395,7 @@ encode2 = function (value, indent, level, buffer, buflen, tables, globalorder, s
buflen = buflen + 1
buffer[buflen] = "["
for i = 1, n do
buflen, msg = encode2 (value[i], indent, level, buffer, buflen, tables, globalorder, state)
buflen, msg = encode2 (value[i], indent, level, buffer, buflen, tables, globalorder)
if not buflen then return nil, msg end
if i < n then
buflen = buflen + 1
@ -321,20 +417,20 @@ encode2 = function (value, indent, level, buffer, buflen, tables, globalorder, s
local v = value[k]
if v then
used[k] = true
buflen, msg = addpair (k, v, prev, indent, level, buffer, buflen, tables, globalorder, state)
buflen, msg = addpair (k, v, prev, indent, level, buffer, buflen, tables, globalorder)
prev = true -- add a seperator before the next element
end
end
for k,v in pairs (value) do
if not used[k] then
buflen, msg = addpair (k, v, prev, indent, level, buffer, buflen, tables, globalorder, state)
buflen, msg = addpair (k, v, prev, indent, level, buffer, buflen, tables, globalorder)
if not buflen then return nil, msg end
prev = true -- add a seperator before the next element
end
end
else -- unordered
for k,v in pairs (value) do
buflen, msg = addpair (k, v, prev, indent, level, buffer, buflen, tables, globalorder, state)
buflen, msg = addpair (k, v, prev, indent, level, buffer, buflen, tables, globalorder)
if not buflen then return nil, msg end
prev = true -- add a seperator before the next element
end
@ -347,8 +443,7 @@ encode2 = function (value, indent, level, buffer, buflen, tables, globalorder, s
end
tables[value] = nil
else
return exception ('unsupported type', value, state, buffer, buflen,
"type '" .. valtype .. "' is not supported by JSON.")
return nil, "type '" .. valtype .. "' is not supported by JSON."
end
return buflen
end
@ -357,18 +452,14 @@ function json.encode (value, state)
state = state or {}
local oldbuffer = state.buffer
local buffer = oldbuffer or {}
state.buffer = buffer
updatedecpoint()
local ret, msg = encode2 (value, state.indent, state.level or 0,
buffer, state.bufferlen or 0, state.tables or {}, state.keyorder, state)
buffer, state.bufferlen or 0, state.tables or {}, state.keyorder)
if not ret then
error (msg, 2)
elseif oldbuffer == buffer then
elseif oldbuffer then
state.bufferlen = ret
return true
else
state.bufferlen = nil
state.buffer = nil
return concat (buffer)
end
end
@ -396,17 +487,9 @@ local function scanwhite (str, pos)
while true do
pos = strfind (str, "%S", pos)
if not pos then return nil end
local sub2 = strsub (str, pos, pos + 1)
if sub2 == "\239\187" and strsub (str, pos + 2, pos + 2) == "\191" then
if strsub (str, pos, pos + 2) == "\239\187\191" then
-- UTF-8 Byte Order Mark
pos = pos + 3
elseif sub2 == "//" then
pos = strfind (str, "[\n\r]", pos + 2)
if not pos then return nil end
elseif sub2 == "/*" then
pos = strfind (str, "*/", pos + 2)
if not pos then return nil end
pos = pos + 2
else
return pos
end
@ -564,7 +647,7 @@ scanvalue = function (str, pos, nullval, objectmeta, arraymeta)
else
local pstart, pend = strfind (str, "^%-?[%d%.]+[eE]?[%+%-]?%d*", pos)
if pstart then
local number = str2num (strsub (str, pstart, pend))
local number = tonumber (strsub (str, pstart, pend))
if number then
return number, pend + 1
end
@ -599,13 +682,8 @@ end
function json.use_lpeg ()
local g = require ("lpeg")
if g.version() == "0.11" then
error "due to a bug in LPeg 0.11, it cannot be used for JSON matching"
end
local pegmatch = g.match
local P, S, R = g.P, g.S, g.R
local P, S, R, V = g.P, g.S, g.R, g.V
local function ErrorCall (str, pos, msg, state)
if not state.msg then
@ -619,9 +697,7 @@ function json.use_lpeg ()
return g.Cmt (g.Cc (msg) * g.Carg (2), ErrorCall)
end
local SingleLineComment = P"//" * (1 - S"\n\r")^0
local MultiLineComment = P"/*" * (1 - P"*/")^0 * P"*/"
local Space = (S" \n\r\t" + P"\239\187\191" + SingleLineComment + MultiLineComment)^0
local Space = (S" \n\r\t" + P"\239\187\191")^0
local PlainChar = 1 - S"\"\\\n\r"
local EscapeSequence = (P"\\" * g.C (S"\"\\/bfnrt" + Err "unsupported escape sequence")) / escapechars
@ -644,7 +720,7 @@ function json.use_lpeg ()
local Integer = P"-"^(-1) * (P"0" + (R"19" * R"09"^0))
local Fractal = P"." * R"09"^0
local Exponent = (S"eE") * (S"+-")^(-1) * R"09"^1
local Number = (Integer * Fractal^(-1) * Exponent^(-1))/str2num
local Number = (Integer * Fractal^(-1) * Exponent^(-1))/tonumber
local Constant = P"true" * g.Cc (true) + P"false" * g.Cc (false) + P"null" * g.Carg (1)
local SimpleValue = Number + String + Constant
local ArrayContent, ObjectContent
@ -712,3 +788,4 @@ end
return json
-->

211
readme.txt
View File

@ -1,211 +0,0 @@
David Kolf's JSON module for Lua 5.1/5.2
========================================
*Version 2.5*
In the default configuration this module writes no global values, not even
the module table. Import it using
json = require ("dkjson")
In environments where `require` or a similiar function are not available
and you cannot receive the return value of the module, you can set the
option `register_global_module_table` to `true`. The module table will
then be saved in the global variable with the name given by the option
`global_module_name`.
Exported functions and values:
`json.encode (object [, state])`
--------------------------------
Create a string representing the object. `Object` can be a table,
a string, a number, a boolean, `nil`, `json.null` or any object with
a function `__tojson` in its metatable. A table can only use strings
and numbers as keys and its values have to be valid objects as
well. It raises an error for any invalid data types or reference
cycles.
`state` is an optional table with the following fields:
- `indent`
When `indent` (a boolean) is set, the created string will contain
newlines and indentations. Otherwise it will be one long line.
- `keyorder`
`keyorder` is an array to specify the ordering of keys in the
encoded output. If an object has keys which are not in this array
they are written after the sorted keys.
- `level`
This is the initial level of indentation used when `indent` is
set. For each level two spaces are added. When absent it is set
to 0.
- `buffer`
`buffer` is an array to store the strings for the result so they
can be concatenated at once. When it isn't given, the encode
function will create it temporary and will return the
concatenated result.
- `bufferlen`
When `bufferlen` is set, it has to be the index of the last
element of `buffer`.
- `tables`
`tables` is a set to detect reference cycles. It is created
temporary when absent. Every table that is currently processed
is used as key, the value is `true`.
- `exception`
When `exception` is given, it will be called whenever the encoder
cannot encode a given value.
The parameters are `reason`, `value`, `state` and `defaultmessage`.
`reason` is either `"reference cycle"`, `"custom encoder failed"` or
`"unsupported type"`. `value` is the original value that caused the
exception, `state` is this state table, `defaultmessage` is the message
of the error that would usually be raised.
You can either return `true` and add directly to the buffer or you can
return the string directly. To keep raising an error return `nil` and
the desired error message.
An example implementation for an exception function is given in
`json.encodeexception`.
When `state.buffer` was set, the return value will be `true` on
success. Without `state.buffer` the return value will be a string.
`json.decode (string [, position [, null]])`
--------------------------------------------
Decode `string` starting at `position` or at 1 if `position` was
omitted.
`null` is an optional value to be returned for null values. The
default is `nil`, but you could set it to `json.null` or any other
value.
The return values are the object or `nil`, the position of the next
character that doesn't belong to the object, and in case of errors
an error message.
Two metatables are created. Every array or object that is decoded gets
a metatable with the `__jsontype` field set to either `array` or
`object`. If you want to provide your own metatables use the syntax
json.decode (string, position, null, objectmeta, arraymeta)
To prevent the assigning of metatables pass `nil`:
json.decode (string, position, null, nil)
`<metatable>.__jsonorder`
-------------------------
`__jsonorder` can overwrite the `keyorder` for a specific table.
`<metatable>.__jsontype`
------------------------
`__jsontype` can be either `"array"` or `"object"`. This value is only
checked for empty tables. (The default for empty tables is `"array"`).
`<metatable>.__tojson (self, state)`
------------------------------------
You can provide your own `__tojson` function in a metatable. In this
function you can either add directly to the buffer and return true,
or you can return a string. On errors nil and a message should be
returned.
`json.null`
-----------
You can use this value for setting explicit `null` values.
`json.version`
--------------
Set to `"dkjson 2.5"`.
`json.quotestring (string)`
---------------------------
Quote a UTF-8 string and escape critical characters using JSON
escape sequences. This function is only necessary when you build
your own `__tojson` functions.
`json.addnewline (state)`
-------------------------
When `state.indent` is set, add a newline to `state.buffer` and spaces
according to `state.level`.
`json.encodeexception (reason, value, state, defaultmessage)`
-------------------------------------------------------------
This function can be used as value to the `exception` option. Instead of
raising an error this function encodes the error message as a string. This
can help to debug malformed input data.
x = json.encode(value, { exception = json.encodeexception })
LPeg support
------------
When the local configuration variable `always_try_using_lpeg` is set,
this module tries to load LPeg to replace the `decode` function. The
speed increase is significant. You can get the LPeg module at
<http://www.inf.puc-rio.br/~roberto/lpeg/>.
When LPeg couldn't be loaded, the pure Lua functions stay active.
In case you don't want this module to require LPeg on its own,
disable the option `always_try_using_lpeg` in the options section at
the top of the module.
In this case you can later load LPeg support using
### `json.use_lpeg ()`
Require the LPeg module and replace the functions `quotestring` and
and `decode` with functions that use LPeg patterns.
This function returns the module table, so you can load the module
using:
json = require "dkjson".use_lpeg()
Alternatively you can use `pcall` so the JSON module still works when
LPeg isn't found.
json = require "dkjson"
pcall (json.use_lpeg)
### `json.using_lpeg`
This variable is set to `true` when LPeg was loaded successfully.
---------------------------------------------------------------------
Contact
-------
You can contact the author by sending an e-mail to 'david' at the
domain 'dkolf.de'.
---------------------------------------------------------------------
*Copyright (C) 2010-2014 David Heiko Kolf*
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

279
jsontest.lua → share/dkjson/example/jsontest.lua
View File

@ -12,7 +12,6 @@ local test_module, opt = ... -- command line argument
--local test_module = 'nm-json'
--local test_module = 'sb-json'
--local test_module = 'th-json'
test_module = test_module or 'dkjson'
--local opt = "esc" -- Test which characters in the BMP get escaped and whether this is correct
--local opt = "esc_full" -- Full range from 0 to 0x10ffff
@ -20,18 +19,6 @@ test_module = test_module or 'dkjson'
--local opt = "refcycle" -- What happens when a reference cycle gets encoded?
local testlocale = "de_DE.UTF8"
local function inlocale(fn)
local oldloc = os.setlocale(nil, 'numeric')
if not os.setlocale(testlocale, 'numeric') then
print("test could not switch to locale "..testlocale)
else
fn()
end
os.setlocale(oldloc, 'numeric')
end
if test_module == 'dkjson-nopeg' then
test_module = 'dkjson'
package.preload["lpeg"] = function () error "lpeg disabled" end
@ -39,11 +26,6 @@ if test_module == 'dkjson-nopeg' then
lpeg = nil
end
if test_module == 'dkjson-lulpeg' then
test_module = 'dkjson'
package.loaded["lpeg"] = require "lulpeg"
end
do
-- http://chiselapp.com/user/dhkolf/repository/dkjson/
local dkjson = require "dkjson"
@ -52,7 +34,6 @@ do
end
if test_module == 'cmj-json' then
-- https://github.com/craigmj/json4lua/
-- http://json.luaforge.net/
local json = require "cmjjson" -- renamed, the original file was just 'json'
encode = json.encode
@ -91,7 +72,6 @@ elseif test_module == 'sb-json' then
encode = json.Encode
decode = json.Decode
elseif test_module == 'th-json' then
-- https://github.com/harningt/luajson
-- http://luaforge.net/projects/luajson/
local json = require "json"
encode = json.encode
@ -106,30 +86,24 @@ if not encode then
else
local x, r
local escapecodes = {
["\""] = "\\\"", ["\\"] = "\\\\", ["\b"] = "\\b", ["\f"] = "\\f",
["\n"] = "\\n", ["\r"] = "\\r", ["\t"] = "\\t", ["/"] = "\\/"
}
local function test (x, n, expect)
local enc = encode{ x }:match("^%s*%[%s*%\"(.-)%\"%s*%]%s*$")
if not enc or (escapecodes[x] ~= enc
and ("\\u%04x"):format(n) ~= enc:gsub("[A-F]", string.lower)
and not (expect and enc:match("^"..expect.."$"))) then
print(("U+%04X isn't encoded correctly: %q"):format(n, enc))
end
local function test (x, s)
return string.match(x, "^%s*%[%s*%\"" .. s .. "%\"%s*%]%s*$")
end
-- necessary escapes for JSON:
for i = 0,31 do
test(string.char(i), i)
x = encode{ "'" }
if not test(x, "%'") then
print("\"'\" isn't encoded correctly:", x)
end
x = encode{ "\011" }
if not test(x, "%\\u000[bB]") then
print("\\u000b isn't encoded correctly:", x)
end
x = encode{ "\000" }
if not test(x, "%\\u0000") then
print("\\u0000 isn't encoded correctly")
end
test("\"", ("\""):byte())
test("\\", ("\\"):byte())
-- necessary escapes for JavaScript:
test("\226\128\168", 0x2028)
test("\226\128\169", 0x2029)
-- invalid escapes that were seen in the wild:
test("'", ("'"):byte(), "%'")
r,x = pcall (encode, { [1000] = "x" })
if not r then
@ -201,131 +175,6 @@ else
end
end
end
inlocale(function ()
local r, x = pcall(encode, { 0.5 })
if not r then
print("encoding 0.5 in locale raises an error:", x)
elseif not x:find(".", 1, true) then
print("In locale 0.5 isn't converted into valid JSON:", x)
end
end)
-- special tests for dkjson:
if test_module == 'dkjson' then
do -- encode a function
local why, value, exstate
local state = {
exception = function (w, v, s)
why, value, exstate = w, v, s
return "\"demo\""
end
}
local encfunction = function () end
r, x = pcall(dkencode, { encfunction }, state )
if not r then
print("encoding a function with exception handler raises an error:", x)
else
if x ~= "[\"demo\"]" then
print("expected to see output of exception handler for type exception, but got", x)
end
if why ~= "unsupported type" then
print("expected exception reason to be 'unsupported type' for type exception")
end
if value ~= encfunction then
print("expected to recieve value for type exception")
end
if exstate ~= state then
print("expected to recieve state for type exception")
end
end
r, x = pcall(dkencode, { function () end }, {
exception = function (w, v, s)
return nil, "demo"
end
})
if r or x ~= "demo" then
print("expected custom error for type exception, but got:", r, x)
end
r, x = pcall(dkencode, { function () end }, {
exception = function (w, v, s)
return nil
end
})
if r or x ~= "type 'function' is not supported by JSON." then
print("expected default error for type exception, but got:", r, x)
end
end
do -- encode a reference cycle
local why, value, exstate
local state = {
exception = function (w, v, s)
why, value, exstate = w, v, s
return "\"demo\""
end
}
local a = {}
a[1] = a
r, x = pcall(dkencode, a, state )
if not r then
print("encoding a reference cycle with exception handler raises an error:", x)
else
if x ~= "[\"demo\"]" then
print("expected to see output of exception handler for reference cycle exception, but got", x)
end
if why ~= "reference cycle" then
print("expected exception reason to be 'reference cycle' for reference cycle exception")
end
if value ~= a then
print("expected to recieve value for reference cycle exception")
end
if exstate ~= state then
print("expected to recieve state for reference cycle exception")
end
end
end
do -- example exception handler
r = dkencode(function () end, { exception = require "dkjson".encodeexception })
if r ~= [["<type 'function' is not supported by JSON.>"]] then
print("expected the exception encoder to encode default error message, but got", r)
end
end
do -- test state buffer for custom __tojson function
local origstate = {}
local usedstate, usedbuffer, usedbufferlen
dkencode({ setmetatable({}, {
__tojson = function(self, state)
usedstate = state
usedbuffer = state.buffer
usedbufferlen = state.bufferlen
return true
end
}) }, origstate)
if usedstate ~= origstate then print("expected tojson-function to recieve the original state") end
if type(usedbuffer) ~= 'table' or #usedbuffer < 1 then print("expected buffer in tojson-function to be an array") end
if usedbufferlen ~= 1 then print("expected bufferlen in tojson-function to be 1, but got "..tostring(usedbufferlen)) end
end
do -- do not keep buffer and bufferlen when they were not present initially
local origstate = {}
dkencode(setmetatable({}, {__tojson = function() return true end}), origstate)
if origstate.buffer ~= nil then print("expected buffer to be reset to nil") end
if origstate.bufferlen ~= nil then print("expected bufferlen to be reset to nil") end
end
do -- keep buffer and update bufferlen when they were present initially
local origbuffer = {}
local origstate = { buffer = origbuffer }
dkencode(true, origstate)
if origstate.buffer ~= origbuffer then print("expected original buffer to remain") end
if origstate.bufferlen ~= 1 then print("expected bufferlen to be updated") end
end
end
end
if not decode then
@ -404,26 +253,13 @@ else
print ("1e+2 decoded incorrectly:", r[1])
end
inlocale(function ()
local r, x = pcall(decode, "[0.5]")
if not r then
print("decoding 0.5 in locale raises an error:", x)
elseif not x then
print("cannot decode 0.5 in locale")
elseif x[1] ~= 0.5 then
print("decoded 0.5 incorrectly in locale:", x[1])
end
end)
-- special tests for dkjson:
if test_module == 'dkjson' then
x = dkdecode[=[ [{"x":0}] ]=]
local m = getmetatable(x)
if not m or m.__jsontype ~= 'array' then
if getmetatable(x).__jsontype ~= 'array' then
print ("<metatable>.__jsontype ~= array")
end
local m = getmetatable(x[1])
if not m or m.__jsontype ~= 'object' then
if getmetatable(x[1]).__jsontype ~= 'object' then
print ("<metatable>.__jsontype ~= object")
end
@ -435,30 +271,6 @@ else
if p ~= 4 or type(m) ~= 'string' or not m:find("at line 2, column 2$") then
print (("Invalid location: position=%d, message=%q"):format(p,m))
end
do -- single line comments
local x, p, m = dkdecode [[
{"test://" // comment // --?
: [ // continues
0] //
}
]]
if type(x) ~= 'table' or type(x["test://"]) ~= 'table' or x["test://"][1] ~= 0 then
print("could not decode a string with single line comments: "..tostring(m))
end
end
do -- multi line comments
local x, p, m = dkdecode [[
{"test:/*"/**//*
hi! this is a comment
*/ : [/** / **/ 0]
}
]]
if type(x) ~= 'table' or type(x["test:/*"]) ~= 'table' or x["test:/*"][1] ~= 0 then
print("could not decode a string with multi line comments: "..tostring(m))
end
end
end
end
@ -527,29 +339,6 @@ local function escapeutf8 (uchar)
end
end
local isspecial = {}
local unifile = io.open("UnicodeData.txt")
if unifile then
-- <http://www.unicode.org/Public/UNIDATA/UnicodeData.txt>
-- each line consists of 15 parts for each defined codepoints
local pat = {}
for i = 1,14 do
pat[i] = "[^;]*;"
end
pat[1] = "([^;]*);" -- Codepoint
pat[3] = "([^;]*);" -- Category
pat[15] = "[^;]*"
pat = table.concat(pat)
for line in unifile:lines() do
local cp, cat = line:match(pat)
if cat:match("^C[^so]") or cat:match("^Z[lp]") then
isspecial[tonumber(cp, 16)] = cat
end
end
unifile:close()
end
local x,xe
local t = {}
@ -571,6 +360,7 @@ end
elseif x == escapecodes[t[1]] then
esc[i] = 'c'
elseif x:sub(1,1) == "\\" then
--print ("Invalid escape code for "..i..":", x)
escerr[i] = xe
end
end
@ -578,34 +368,17 @@ end
local i = 0
while i <= range do
local first
while i <= range and not (esc[i] or isspecial[i]) do i = i + 1 end
if i > range then break end
while i <= range and not esc[i] do i = i + 1 end
if not esc[i] then break end
first = i
local special = isspecial[i]
if esc[i] and special then
while esc[i] and isspecial[i] == special do i = i + 1 end
while esc[i] do i = i + 1 end
if i-1 > first then
print (("Escaped %s characters from U+%04X to U+%04X"):format(special,first,i-1))
else
print (("Escaped %s character U+%04X"):format(special,first))
end
elseif esc[i] then
while esc[i] and not isspecial[i] do i = i + 1 end
if i-1 > first then
print (("Escaped from U+%04X to U+%04X"):format(first,i-1))
print ("Escaped from "..first.." to "..i-1)
else
if first >= 32 and first <= 127 then
print (("Escaped U+%04X (%c)"):format(first,first))
print ("Escaped "..first.." ("..string.char(first)..")")
else
print (("Escaped U+%04X"):format(first))
end
end
elseif special then
while not esc[i] and isspecial[i] == special do i = i + 1 end
if i-1 > first then
print (("Unescaped %s characters from U+%04X to U+%04X"):format(special,first,i-1))
else
print (("Unescaped %s character U+%04X"):format(special,first))
print ("Escaped "..first)
end
end
end
@ -619,9 +392,9 @@ end
first = i
while escerr[i] do i = i + 1 end
if i-1 > first then
print (("Errors while escaping from U+%04X to U+%04X"):format(first, i-1))
print ("Errors while escaping from "..first.." to "..i-1)
else
print (("Errors while escaping U+%04X"):format(first))
print ("Errors while escaping "..first)
end
end
end

0
speedtest.lua → share/dkjson/example/speedtest.lua
View File

46
versions.txt → share/dkjson/versions.txt
View File

@ -1,49 +1,3 @@
Version 2.5 (2014-04-28)
===========
Changes since version 2.4:
* Added customizable exception handling.
* Decode input that contains JavaScript comments.
Version 2.4 (2013-09-28)
===========
Changes since version 2.3:
* Fixed encoding and decoding of numbers in different numeric locales.
* Prevent using version 0.11 of LPeg (causes segmentation faults on
some systems).
Version 1.3 (2013-09-28)
===========
Changes since version 1.2:
* Fixed encoding and decoding of numbers in different numeric locales.
Version 2.3 (2013-04-14)
===========
Changes since version 2.2:
* Corrected the range of escaped characters. Among other characters
U+2029 was missing, which would cause trouble when parsed by a
JavaScript interpreter.
* Added options to register the module table in a global variable.
This is useful in environments where functions similar to require are
not available.
Version 1.2 (2013-04-14)
===========
Changes since version 1.1:
* Corrected the range of escaped characters. Among other characters
U+2029 was missing, which would cause trouble when parsed by a
JavaScript interpreter.
* Locations for error messages were off by one in the first line.
Version 2.2 (2012-04-28)
===========