108 lines
4.2 KiB
Markdown
108 lines
4.2 KiB
Markdown
# raylib parser
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This parser scans [`raylib.h`](../src/raylib.h) to get information about `defines`, `structs`, `enums` and `functions`.
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All data is separated into parts, usually as strings. The following types are used for data:
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- `struct DefineInfo`
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- `struct FunctionInfo`
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- `struct StructInfo`
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- `struct EnumInfo`
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Check `raylib_parser.c` for details about those structs.
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## Command Line
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```
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//////////////////////////////////////////////////////////////////////////////////
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// //
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// raylib API parser //
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// //
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// more info and bugs-report: github.com/raysan5/raylib/parser //
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// //
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// Copyright (c) 2021-2023 Ramon Santamaria (@raysan5) //
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// //
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//////////////////////////////////////////////////////////////////////////////////
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USAGE:
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> raylib_parser [--help] [--input <filename.h>] [--output <filename.ext>] [--format <type>]
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OPTIONS:
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-h, --help : Show tool version and command line usage help
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-i, --input <filename.h> : Define input header file to parse.
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NOTE: If not specified, defaults to: raylib.h
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-o, --output <filename.ext> : Define output file and format.
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Supported extensions: .txt, .json, .xml, .h
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NOTE: If not specified, defaults to: raylib_api.txt
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-f, --format <type> : Define output format for parser data.
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Supported types: DEFAULT, JSON, XML, LUA
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-d, --define <DEF> : Define functions specifiers (i.e. RLAPI for raylib.h, RMDEF for raymath.h, etc.)
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NOTE: If no specifier defined, defaults to: RLAPI
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-t, --truncate <after> : Define string to truncate input after (i.e. "RLGL IMPLEMENTATION" for rlgl.h)
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NOTE: If not specified, the full input file is parsed.
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EXAMPLES:
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> raylib_parser --input raylib.h --output api.json
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Process <raylib.h> to generate <api.json>
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> raylib_parser --output raylib_data.info --format XML
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Process <raylib.h> to generate <raylib_data.info> as XML text data
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> raylib_parser --input raymath.h --output raymath_data.info --format XML
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Process <raymath.h> to generate <raymath_data.info> as XML text data
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```
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## Constraints
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This parser is specifically designed to work with raylib.h, so, it has some constraints:
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- Functions are expected as a single line with the following structure:
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```
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<retType> <name>(<paramType[0]> <paramName[0]>, <paramType[1]> <paramName[1]>); <desc>
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```
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Be careful with functions broken into several lines, it breaks the process!
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- Structures are expected as several lines with the following form:
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```
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<desc>
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typedef struct <name> {
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<fieldType[0]> <fieldName[0]>; <fieldDesc[0]>
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<fieldType[1]> <fieldName[1]>; <fieldDesc[1]>
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<fieldType[2]> <fieldName[2]>; <fieldDesc[2]>
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} <name>;
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```
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- Enums are expected as several lines with the following form:
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```
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<desc>
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typedef enum {
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<valueName[0]> = <valueInteger[0]>, <valueDesc[0]>
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<valueName[1]>,
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<valueName[2]>, <valueDesc[2]>
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<valueName[3]> <valueDesc[3]>
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} <name>;
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```
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_NOTE: For enums, multiple options are supported:_
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- If value is not provided, (<valueInteger[i -1]> + 1) is assigned
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- Value description can be provided or not
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## Additional notes
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This parser _could_ work with other C header files if mentioned constraints are followed.
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This parser **does not require `<string.h>` library**, all data is parsed directly from char buffers.
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### LICENSE: zlib/libpng
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raylib-parser is licensed under an unmodified zlib/libpng license, which is an OSI-certified, BSD-like license that allows static linking with closed source software. Check [LICENSE](LICENSE) for further details.
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