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* Tidy and reformat lua_cjson.c (minor)Mark Pulford2011-05-091-12/+9
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* Generate error when attempting to decode UTF-16/32Mark Pulford2011-05-081-0/+8
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* Add UTF-16 surrogate pair decode supportMark Pulford2011-05-081-9/+56
| | | | | | | | - Add tests for UTF-16 decoding and failures - Add getutf8.pl to assist with UTF-16 decode testing - Re-add test_decode_cycle() which was accidentally removed earlier - Rename bytestring.dat to octets-escaped.dat
* Rework runtime config optionsMark Pulford2011-05-071-56/+118
| | | | | | | | | | | | | | | | | | | | | - Rename API for consistency: - sparse_ratio() -> encode_sparse_array() - max_depth() -> encode_max_depth() - invalid_numbers() -> refuse_invalid_numbers() - Adjust sparse array handling: - Add "safe" option to allow small sparse arrays regardless of the ratio. - Generate an error by default instead of converting an array into an object (POLA). - Update invalid number handling: - Allow decoding invalid numbers by default since many JSON implementations output NaN/Infinity. - Throw an error by default when attempting to encode NaN/Infinity since the RFC explicitly states it is not permitted. - Support specifying invalid number configuration separately for encode/decode.
* Escape forward slash when encodingMark Pulford2011-05-071-1/+1
| | | | | Escaping forward slash can be useful when including JSON output in HTML (Eg, embedded in SCRIPT tags).
* Fix strbuf_t leak on lua_close()Mark Pulford2011-05-051-3/+20
| | | | - Add __gc metatable method to clean up json_config_t userdata.
* Generate parse error for invalid leading zerosMark Pulford2011-05-031-8/+17
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* Preallocate temporary decode string bufferMark Pulford2011-05-031-11/+14
| | | | | The preallocated buffer removes the need for buffer length checks while processing strings and results in a 10 - 15% speedup.
* Add strbuf_reset() to reset string lengthMark Pulford2011-05-031-2/+2
| | | | | Add strbuf_reset() to reset string length and hide the string implementation.
* Escape all unprintable ASCII when encodingMark Pulford2011-05-031-47/+94
| | | | | | | | | | | | Replace json_escape_char() with a static char2escape[] lookup table. Escape all unprintable ASCII (0-31, 127) and JSON special characters (double quote, backslash). Dynamic creation of the char2escape table has been left commented out due to an apparent performance hit. The performance loss may be due to memory/page alignment (unknown). Rename parsing lookup table from ch2escape to escape2char for consistency.
* Implement minor performance improvementsMark Pulford2011-05-031-42/+50
| | | | | | | | | | | | | | | - Use strbuf_append_mem() for small static strings (~2% speedup). - Use &json_config_key for storing registry data. It's more unique and faster than a text string. - Use strbuf_append_char_unsafe() for string quotes (~4% speedup). - Use strbuf_append_number() instead of strbuf_append_fmt(). It is much simpler and avoids the potential for 2 expensive calls to vsnprintf(). - Make encoding buffer persistent across calls to avoid extra malloc/free (~4% speedup on example2.json). These performance improvements can be much more pronounced depending on the data. Eg, small strings, numbers, booleans, etc..
* Add build and package supportMark Pulford2011-05-011-0/+4
| | | | | - Add Makefile and RPM spec file - Add cjson.version variable
* Update lua_cjson.c with minor fixesMark Pulford2011-05-011-6/+3
| | | | | - Fix typo and comment - Change "while" to "for" loop
* Support optionally parsing Inf/NaN/Hex numbersMark Pulford2011-05-011-31/+73
| | | | | Change strict_numbers to control whether json.decode will parse an expanded set of numbers (Hex, Inf, NaN).
* Add MIT license and update lua_cjson.c caveatsMark Pulford2011-05-011-18/+34
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* Detect and throw error when parsing hexadecimalMark Pulford2011-05-011-10/+20
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* Simplify generating parse error tokensMark Pulford2011-05-011-28/+29
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* Throw error on Inf/NaN by default when encodingMark Pulford2011-05-011-16/+49
| | | | | Add runtime configuration for generating Inf/NaN encoding errors through cjson.strict_numbers().
* Improve encoding exception error formatMark Pulford2011-05-011-6/+7
| | | | | Was: Cannot serialise <location>: <type> Now: Cannot serialise <type>: <reason>
* Add detailed parse error reportingMark Pulford2011-05-011-19/+45
| | | | | | | - Always report the correct index of the token error. - Use value.string to report what was found instead of just T_ERROR. - Fix inverted unicode escape error detection.
* Move static configuration into runtime userdataMark Pulford2011-05-011-137/+230
| | | | | | | Allow maximum nesting depth and sparse array ratio to be configured at runtime via the sparse_ratio() and max_depth() functions. Throw exceptions when encoding excessively nested structures.
* Encode very sparse arrays as objectsMark Pulford2011-05-011-1/+14
| | | | | | | Detect and encode very sparse arrays as objects. This prevents something like: { [1000000] = "nullfest" } ..from generating a huge array.
* Create "cjson" Lua module, support UCS-2 escapesMark Pulford2011-05-011-0/+780
- Convert lua_json_init() into luaopen_cjson() to support dynamic .so loading. - Rename "json" to "cjson" to reduce conflicts with other JSON modules. - Remove unnecessary *_pcall_* API. Lua calls are fast enough, even through C. - Encode empty tables as objects - Add support for decoding all UCS-2 escape codes.
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