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Add support for truncating parser input (#2464)

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* Add support for truncating parser input

* Remove RLAPI from implementations in rlgl.h
This commit is contained in:
lazaray 2022-05-06 20:18:39 +02:00 • committed by GitHub
parent 19f88241ec
commit bbc8d39185
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 46 additions and 6 deletions
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40
parser/raylib_parser.c
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@ -154,6 +154,7 @@ static FunctionInfo *funcs = NULL;
// Command line variables
static char apiDefine[32] = { 0 }; // Functions define (i.e. RLAPI for raylib.h, RMDEF for raymath.h, etc.)
static char truncAfter[32] = { 0 }; // Truncate marker (i.e. "RLGL IMPLEMENTATION" for rlgl.h)
static char inFileName[512] = { 0 }; // Input file name (required in case of provided through CLI)
static char outFileName[512] = { 0 }; // Output file name (required for file save/export)
static int outputFormat = DEFAULT;
@ -171,6 +172,7 @@ static void GetDescription(const char *source, char *description);
static void MoveArraySize(char *name, char *type); // Move array size from name to type
static unsigned int TextLength(const char *text); // Get text length in bytes, check for \0 character
static bool IsTextEqual(const char *text1, const char *text2, unsigned int count);
static int TextFindIndex(const char *text, const char *find); // Find first text occurrence within a string
static void MemoryCopy(void *dest, const void *src, unsigned int count);
static char *EscapeBackslashes(char *text); // Replace '\' by "\\" when exporting to JSON and XML
static const char *StrDefineType(DefineType type); // Get string of define type
@ -196,6 +198,19 @@ int main(int argc, char* argv[])
int linesCount = 0;
char **lines = GetTextLines(buffer, length, &linesCount);
// Truncate lines
if (truncAfter[0] != '\0')
{
int newCount = -1;
for (int i = 0; i < linesCount; i++)
{
if (newCount > -1) free(lines[i]);
else if (TextFindIndex(lines[i], truncAfter) > -1) newCount = i;
}
if (newCount > -1) linesCount = newCount;
printf("Number of truncated text lines: %i\n", linesCount);
}
// Defines line indices
int *defineLines = (int *)malloc(MAX_DEFINES_TO_PARSE*sizeof(int));
@ -936,6 +951,8 @@ static void ShowCommandLineInfo(void)
printf(" Supported types: DEFAULT, JSON, XML, LUA\n\n");
printf(" -d, --define <DEF> : Define functions define (i.e. RLAPI for raylib.h, RMDEF for raymath.h, etc.)\n");
printf(" NOTE: If not specified, defaults to: RLAPI\n\n");
printf(" -t, --truncate <after> : Define string to truncate input after (i.e. \"RLGL IMPLEMENTATION\" for rlgl.h)\n");
printf(" NOTE: If not specified input is not truncated.\n\n");
printf("\nEXAMPLES:\n\n");
printf(" > raylib_parser --input raylib.h --output api.json\n");
@ -997,6 +1014,15 @@ static void ProcessCommandLine(int argc, char *argv[])
}
else printf("WARNING: No define key provided\n");
}
else if (IsTextEqual(argv[i], "-t", 2) || IsTextEqual(argv[i], "--truncate", 10))
{
if (((i + 1) < argc) && (argv[i + 1][0] != '-'))
{
MemoryCopy(truncAfter, argv[i + 1], TextLength(argv[i + 1])); // Read truncate marker
truncAfter[TextLength(argv[i + 1])] = '\0';
i++;
}
}
}
}
@ -1174,6 +1200,20 @@ static bool IsTextEqual(const char *text1, const char *text2, unsigned int count
return result;
}
// Find first text occurrence within a string
int TextFindIndex(const char *text, const char *find)
{
int textLen = TextLength(text);
int findLen = TextLength(find);
for (int i = 0; i <= textLen - findLen; i++)
{
if (IsTextEqual(&text[i], find, findLen)) return i;
}
return -1;
}
// Custom memcpy() to avoid <string.h>
static void MemoryCopy(void *dest, const void *src, unsigned int count)
{