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public: add optional feature for COM_ParseFileSafe to ignore shell like hash symbol prefixed comments

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This commit is contained in:
Alibek Omarov 2024-11-18 13:25:00 +03:00
parent 87f0217588
commit fa272d9d93
5 changed files with 48 additions and 26 deletions
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1
engine/menu_int.h
View File

@ -36,6 +36,7 @@ typedef int HIMAGE; // handle to a graphic
// flags for COM_ParseFileSafe
#define PFILE_IGNOREBRACKET (1<<0)
#define PFILE_HANDLECOLON (1<<1)
#define PFILE_IGNOREHASHCMT (1<<2)
typedef struct ui_globalvars_s
{

1
engine/mobility_int.h
View File

@ -54,6 +54,7 @@ extern "C" {
// flags for COM_ParseFileSafe
#define PFILE_IGNOREBRACKET (1<<0)
#define PFILE_HANDLECOLON (1<<1)
#define PFILE_IGNOREHASHCMT (1<<2)
typedef struct mobile_engfuncs_s
{

4
public/crtlib.c
View File

@ -758,8 +758,8 @@ skipwhite:
data++;
}
// skip // comments
if( c == '/' && data[1] == '/' )
// skip // or #, if requested, comments
if(( c == '/' && data[1] == '/' ) || ( c == '#' && FBitSet( flags, PFILE_IGNOREHASHCMT )))
{
while( *data && *data != '\n' )
data++;

4
public/crtlib.h
View File

@ -39,9 +39,11 @@ enum
};
// a1ba: not using BIT macro, so flags can be copypasted into
// exported APIs headers and will get nice warning in case of changing values
// exported APIs headers and will not get warning in case of changing values
#define PFILE_IGNOREBRACKET (1<<0)
#define PFILE_HANDLECOLON (1<<1)
#define PFILE_IGNOREHASHCMT (1<<2)
#define PFILE_TOKEN_MAX_LENGTH 1024
#define PFILE_FS_TOKEN_MAX_LENGTH 512

64
public/tests/test_parsefile.c
View File

@ -1,34 +1,52 @@
#include "crtlib.h"
static const char *test_file =
"q asdf \"qwerty\" \"f \\\"f\" meowmeow\n"
"// comment \"stuff ignored\"\n"
"bark // ignore\n"
"bashlikecomment #notignored test\n"
"#ignore comment\n"
"thisshall #be ignored\n"
"test_sentinel\n";
int main( void )
{
char *file = (char *)"q asdf \"qwerty\" \"f \\\"f\" meowmeow\n// comment \"stuff ignored\"\nbark";
int len;
char buf[5];
int i;
char *file = (char *)test_file;
struct test
{
int bufsize;
const char *expected;
int expected_len;
int flags;
} testdata[] =
{
{ 5, "q", 1 },
{ 5, "asdf", 4 },
{ 5, "qwer", -1 },
{ 5, "f \"f", 4 },
{ 5, "meow", -1 },
{ 5, "bark", 4 },
{ 32, "bashlikecomment", 15 },
{ 32, "#notignored", 11 },
{ 32, "test", 4, PFILE_IGNOREHASHCMT },
{ 32, "thisshall", 9, PFILE_IGNOREHASHCMT },
{ 32, "test_sentinel", 13, PFILE_IGNOREHASHCMT },
};
file = COM_ParseFileSafe( file, buf, sizeof( buf ), 0, &len, NULL );
if( !( !Q_strcmp( buf, "q" ) && len == 1 ))
return 1;
for( i = 0; i < sizeof( testdata ) / sizeof( testdata[0] ); i++ )
{
string buf;
int len;
file = COM_ParseFileSafe( file, buf, sizeof( buf ), 0, &len, NULL );
if( !( !Q_strcmp( buf, "asdf" ) && len == 4 ))
return 2;
file = COM_ParseFileSafe( file, buf, testdata[i].bufsize, testdata[i].flags, &len, NULL );
file = COM_ParseFileSafe( file, buf, sizeof( buf ), 0, &len, NULL );
if( !( !Q_strcmp( buf, "qwer" ) && len == -1 ))
return 3;
if( file == NULL )
return i;
file = COM_ParseFileSafe( file, buf, sizeof( buf ), 0, &len, NULL );
if( !( !Q_strcmp( buf, "f \"f" ) && len == 4 ))
return 4;
file = COM_ParseFileSafe( file, buf, sizeof( buf ), 0, &len, NULL );
if( !( !Q_strcmp( buf, "meow" ) && len == -1 ))
return 5;
file = COM_ParseFileSafe( file, buf, sizeof( buf ), 0, &len, NULL );
if( !( !Q_strcmp( buf, "bark" ) && len == 4 ))
return 6;
if( !( !Q_strcmp( buf, testdata[i].expected ) && len == testdata[i].expected_len ))
return i;
}
return 0;
}