q_shared.c File Reference

#include "q_shared.h"

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Data Structures
union	_FloatByteUnion
Functions
void	COM_BeginParseSession (const char *name)
float	Com_Clamp (float min, float max, float value)
int	COM_Compress (char *data_p)
void	COM_DefaultExtension (char *path, int maxSize, const char *extension)
int	COM_GetCurrentParseLine (void)
void	COM_MatchToken (char **buf_p, char *match)
char *	COM_Parse (char **data_p)
void	COM_ParseError (char *format,...)
char *	COM_ParseExt (char **data_p, qboolean allowLineBreaks)
void	COM_ParseWarning (char *format,...)
char *	COM_SkipPath (char *pathname)
void QDECL	Com_sprintf (char *dest, int size, const char *fmt,...)
void	COM_StripExtension (const char *in, char *out)
float	FloatNoSwap (const float *f)
float	FloatSwap (const float *f)
void	Info_NextPair (const char **head, char *key, char *value)
void	Info_RemoveKey (char *s, const char *key)
void	Info_RemoveKey_Big (char *s, const char *key)
void	Info_SetValueForKey (char *s, const char *key, const char *value)
void	Info_SetValueForKey_Big (char *s, const char *key, const char *value)
qboolean	Info_Validate (const char *s)
char *	Info_ValueForKey (const char *s, const char *key)
qint64	Long64NoSwap (qint64 ll)
qint64	Long64Swap (qint64 ll)
int	LongNoSwap (int l)
int	LongSwap (int l)
void	Parse1DMatrix (char **buf_p, int x, float *m)
void	Parse2DMatrix (char **buf_p, int y, int x, float *m)
void	Parse3DMatrix (char **buf_p, int z, int y, int x, float *m)
char *	Q_CleanStr (char *string)
int	Q_isalpha (int c)
int	Q_islower (int c)
int	Q_isprint (int c)
int	Q_isupper (int c)
int	Q_PrintStrlen (const char *string)
void	Q_strcat (char *dest, int size, const char *src)
int	Q_stricmp (const char *s1, const char *s2)
int	Q_stricmpn (const char *s1, const char *s2, int n)
char *	Q_strlwr (char *s1)
int	Q_strncmp (const char *s1, const char *s2, int n)
void	Q_strncpyz (char *dest, const char *src, int destsize)
char *	Q_strrchr (const char *string, int c)
char *	Q_strupr (char *s1)
short	ShortNoSwap (short l)
short	ShortSwap (short l)
void	SkipBracedSection (char **program)
void	SkipRestOfLine (char **data)
char *	SkipWhitespace (char *data, qboolean *hasNewLines)
char *QDECL	va (char *format,...)
Variables
int	com_lines
char	com_parsename [MAX_TOKEN_CHARS]
char	com_token [MAX_TOKEN_CHARS]

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Function Documentation

void COM_BeginParseSession (  const char *  name  )

Definition at line 246 of file q_shared.c. References com_lines, com_parsename, Com_sprintf(), and name. { com_lines = 0; Com_sprintf(com_parsename, sizeof(com_parsename), "%s", name); }

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float Com_Clamp (  float  min, float  max, float  value )

Definition at line 26 of file q_shared.c. Referenced by ServerOptions_SetMenuItems(). { if ( value < min ) { return min; } if ( value > max ) { return max; } return value; }

int COM_Compress (  char *  data_p  )

Definition at line 315 of file q_shared.c. References c, in, qboolean, and strlen(). Referenced by LoadScriptFile(), ScanAndLoadShaderFiles(), UI_LoadBotsFromFile(), and UI_ParseAnimationFile(). { char *in, *out; int c; qboolean newline = qfalse, whitespace = qfalse; in = out = data_p; if (in) { while ((c = *in) != 0) { // skip double slash comments if ( c == '/' && in[1] == '/' ) { while (*in && *in != '\n') { in++; } // skip /* */ comments } else if ( c == '/' && in[1] == '*' ) { while ( *in && ( *in != '*' || in[1] != '/' ) ) in++; if ( *in ) in += 2; // record when we hit a newline } else if ( c == '\n' || c == '\r' ) { newline = qtrue; in++; // record when we hit whitespace } else if ( c == ' ' || c == '\t') { whitespace = qtrue; in++; // an actual token } else { // if we have a pending newline, emit it (and it counts as whitespace) if (newline) { *out++ = '\n'; newline = qfalse; whitespace = qfalse; } if (whitespace) { *out++ = ' '; whitespace = qfalse; } // copy quoted strings unmolested if (c == '"') { *out++ = c; in++; while (1) { c = *in; if (c && c != '"') { *out++ = c; in++; } else { break; } } if (c == '"') { *out++ = c; in++; } } else { *out = c; out++; in++; } } } } *out = 0; return out - data_p; }

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void COM_DefaultExtension (  char *  path, int  maxSize, const char *  extension )

Definition at line 74 of file q_shared.c. References Com_sprintf(), Q_strncpyz(), src, and strlen(). Referenced by Cmd_Exec_f(), Com_WriteConfig_f(), R_FindShader(), and S_StartBackgroundTrack(). { char oldPath[MAX_QPATH]; char *src; // // if path doesn't have a .EXT, append extension // (extension should include the .) // src = path + strlen(path) - 1; while (*src != '/' && src != path) { if ( *src == '.' ) { return; // it has an extension } src--; } Q_strncpyz( oldPath, path, sizeof( oldPath ) ); Com_sprintf( path, maxSize, "%s%s", oldPath, extension ); }

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int COM_GetCurrentParseLine (  void   )

Definition at line 252 of file q_shared.c. { return com_lines; }

void COM_MatchToken (  char **  buf_p, char *  match )

Definition at line 551 of file q_shared.c. References Com_Error(), COM_Parse(), ERR_DROP, match(), strcmp(), and token. Referenced by Parse1DMatrix(), Parse2DMatrix(), and Parse3DMatrix(). { char *token; token = COM_Parse( buf_p ); if ( strcmp( token, match ) ) { Com_Error( ERR_DROP, "MatchToken: %s != %s", token, match ); } }

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char* COM_Parse (  char **  data_p  )

Definition at line 257 of file q_shared.c. { return COM_ParseExt( data_p, qtrue ); }

void COM_ParseError (  char *  format,   ... )

Definition at line 262 of file q_shared.c. References com_lines, com_parsename, Com_Printf(), format, string(), va_end, va_list, va_start, and vsprintf(). { va_list argptr; static char string[4096]; va_start (argptr, format); vsprintf (string, format, argptr); va_end (argptr); Com_Printf("ERROR: %s, line %d: %s\n", com_parsename, com_lines, string); }

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char* COM_ParseExt (  char **  data_p, qboolean  allowLineBreaks )

Definition at line 383 of file q_shared.c. References c, com_lines, com_token, data, qboolean, and SkipWhitespace(). Referenced by Alias_Parse(), CG_HeadModelVoiceChats(), CG_ParseVoiceChats(), Character_Parse(), COM_Parse(), FindShaderInShaderText(), Float_Parse(), G_ParseInfos(), GameType_Parse(), GametypeBits(), Int_Parse(), MapList_Parse(), ParseDeform(), ParseShader(), ParseSkyParms(), ParseSort(), ParseStage(), ParseSurfaceParm(), ParseTexMod(), ParseVector(), ParseWaveForm(), R_LoadEntities(), ScanAndLoadShaderFiles(), SkipBracedSection(), String_Parse(), Team_Parse(), UI_ParseGameInfo(), UI_ParseInfos(), and UI_ParseTeamInfo(). { int c = 0, len; qboolean hasNewLines = qfalse; char *data; data = *data_p; len = 0; com_token[0] = 0; // make sure incoming data is valid if ( !data ) { *data_p = NULL; return com_token; } while ( 1 ) { // skip whitespace data = SkipWhitespace( data, &hasNewLines ); if ( !data ) { *data_p = NULL; return com_token; } if ( hasNewLines && !allowLineBreaks ) { *data_p = data; return com_token; } c = *data; // skip double slash comments if ( c == '/' && data[1] == '/' ) { data += 2; while (*data && *data != '\n') { data++; } } // skip /* */ comments else if ( c=='/' && data[1] == '*' ) { data += 2; while ( *data && ( *data != '*' || data[1] != '/' ) ) { data++; } if ( *data ) { data += 2; } } else { break; } } // handle quoted strings if (c == '\"') { data++; while (1) { c = *data++; if (c=='\"' || !c) { com_token[len] = 0; *data_p = ( char * ) data; return com_token; } if (len < MAX_TOKEN_CHARS) { com_token[len] = c; len++; } } } // parse a regular word do { if (len < MAX_TOKEN_CHARS) { com_token[len] = c; len++; } data++; c = *data; if ( c == '\n' ) com_lines++; } while (c>32); if (len == MAX_TOKEN_CHARS) { // Com_Printf ("Token exceeded %i chars, discarded.\n", MAX_TOKEN_CHARS); len = 0; } com_token[len] = 0; *data_p = ( char * ) data; return com_token; }

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void COM_ParseWarning (  char *  format,   ... )

Definition at line 274 of file q_shared.c. References com_lines, com_parsename, Com_Printf(), format, string(), va_end, va_list, va_start, and vsprintf(). { va_list argptr; static char string[4096]; va_start (argptr, format); vsprintf (string, format, argptr); va_end (argptr); Com_Printf("WARNING: %s, line %d: %s\n", com_parsename, com_lines, string); }

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char* COM_SkipPath (  char *  pathname  )

Definition at line 42 of file q_shared.c. Referenced by RE_LoadWorldMap(). { char *last; last = pathname; while (*pathname) { if (*pathname=='/') last = pathname+1; pathname++; } return last; }

void QDECL Com_sprintf (  char *  dest, int  size, const char *  fmt,   ... )

Definition at line 870 of file q_shared.c. { int len; va_list argptr; char bigbuffer[32000]; // big, but small enough to fit in PPC stack va_start (argptr,fmt); len = vsprintf (bigbuffer,fmt,argptr); va_end (argptr); if ( len >= sizeof( bigbuffer ) ) { Com_Error( ERR_FATAL, "Com_sprintf: overflowed bigbuffer" ); } if (len >= size) { Com_Printf ("Com_sprintf: overflow of %i in %i\n", len, size); #ifdef _DEBUG __asm { int 3; } #endif } Q_strncpyz (dest, bigbuffer, size ); }

void COM_StripExtension (  const char *  in, char *  out )

Definition at line 61 of file q_shared.c. References in. Referenced by CG_RegisterWeapon(), PlayerModel_BuildList(), R_FindShader(), R_FindShaderByName(), R_RemapShader(), RE_LoadWorldMap(), UI_BuildQ3Model_List(), UI_PlayerInfo_SetWeapon(), UI_SaveConfigMenu_SaveEvent(), and VM_LoadSymbols(). { while ( *in && *in != '.' ) { *out++ = *in++; } *out = 0; }

float FloatNoSwap (  const float *  f  )

Definition at line 192 of file q_shared.c. { return *f; }

float FloatSwap (  const float *  f  )

Definition at line 182 of file q_shared.c. { const _FloatByteUnion *in; _FloatByteUnion out; in = (_FloatByteUnion *)f; out.i = LongSwap(in->i); return out.f; }

void Info_NextPair (  const char **  head, char *  key, char *  value )

Definition at line 993 of file q_shared.c. { char *o; const char *s; s = *head; if ( *s == '\\' ) { s++; } key[0] = 0; value[0] = 0; o = key; while ( *s != '\\' ) { if ( !*s ) { *o = 0; *head = s; return; } *o++ = *s++; } *o = 0; s++; o = value; while ( *s != '\\' && *s ) { *o++ = *s++; } *o = 0; *head = s; }

void Info_RemoveKey (  char *  s, const char *  key )

Definition at line 1032 of file q_shared.c. { char *start; char pkey[MAX_INFO_KEY]; char value[MAX_INFO_VALUE]; char *o; if ( strlen( s ) >= MAX_INFO_STRING ) { Com_Error( ERR_DROP, "Info_RemoveKey: oversize infostring" ); } if (strchr (key, '\\')) { return; } while (1) { start = s; if (*s == '\\') s++; o = pkey; while (*s != '\\') { if (!*s) return; *o++ = *s++; } *o = 0; s++; o = value; while (*s != '\\' && *s) { if (!*s) return; *o++ = *s++; } *o = 0; if (!strcmp (key, pkey) ) { strcpy (start, s); // remove this part return; } if (!*s) return; } }

void Info_RemoveKey_Big (  char *  s, const char *  key )

Definition at line 1087 of file q_shared.c. References Com_Error(), ERR_DROP, s, strchr(), strcmp(), strcpy(), and strlen(). Referenced by Info_SetValueForKey_Big(). { char *start; char pkey[BIG_INFO_KEY]; char value[BIG_INFO_VALUE]; char *o; if ( strlen( s ) >= BIG_INFO_STRING ) { Com_Error( ERR_DROP, "Info_RemoveKey_Big: oversize infostring" ); } if (strchr (key, '\\')) { return; } while (1) { start = s; if (*s == '\\') s++; o = pkey; while (*s != '\\') { if (!*s) return; *o++ = *s++; } *o = 0; s++; o = value; while (*s != '\\' && *s) { if (!*s) return; *o++ = *s++; } *o = 0; if (!strcmp (key, pkey) ) { strcpy (start, s); // remove this part return; } if (!*s) return; } }

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void Info_SetValueForKey (  char *  s, const char *  key, const char *  value )

Definition at line 1165 of file q_shared.c. { char newi[MAX_INFO_STRING]; if ( strlen( s ) >= MAX_INFO_STRING ) { Com_Error( ERR_DROP, "Info_SetValueForKey: oversize infostring" ); } if (strchr (key, '\\') || strchr (value, '\\')) { Com_Printf ("Can't use keys or values with a \\\n"); return; } if (strchr (key, ';') || strchr (value, ';')) { Com_Printf ("Can't use keys or values with a semicolon\n"); return; } if (strchr (key, '\"') || strchr (value, '\"')) { Com_Printf ("Can't use keys or values with a \"\n"); return; } Info_RemoveKey (s, key); if (!value || !strlen(value)) return; Com_sprintf (newi, sizeof(newi), "\\%s\\%s", key, value); if (strlen(newi) + strlen(s) > MAX_INFO_STRING) { Com_Printf ("Info string length exceeded\n"); return; } strcat (newi, s); strcpy (s, newi); }

void Info_SetValueForKey_Big (  char *  s, const char *  key, const char *  value )

Definition at line 1213 of file q_shared.c. References Com_Error(), Com_Printf(), Com_sprintf(), ERR_DROP, Info_RemoveKey_Big(), s, strcat(), strchr(), strlen(), and value. Referenced by Cvar_InfoString_Big(). { char newi[BIG_INFO_STRING]; if ( strlen( s ) >= BIG_INFO_STRING ) { Com_Error( ERR_DROP, "Info_SetValueForKey: oversize infostring" ); } if (strchr (key, '\\') || strchr (value, '\\')) { Com_Printf ("Can't use keys or values with a \\\n"); return; } if (strchr (key, ';') || strchr (value, ';')) { Com_Printf ("Can't use keys or values with a semicolon\n"); return; } if (strchr (key, '\"') || strchr (value, '\"')) { Com_Printf ("Can't use keys or values with a \"\n"); return; } Info_RemoveKey_Big (s, key); if (!value || !strlen(value)) return; Com_sprintf (newi, sizeof(newi), "\\%s\\%s", key, value); if (strlen(newi) + strlen(s) > BIG_INFO_STRING) { Com_Printf ("BIG Info string length exceeded\n"); return; } strcat (s, newi); }

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qboolean Info_Validate (  const char *  s  )

Definition at line 1148 of file q_shared.c. { if ( strchr( s, '\"' ) ) { return qfalse; } if ( strchr( s, ';' ) ) { return qfalse; } return qtrue; }

char* Info_ValueForKey (  const char *  s, const char *  key )

Definition at line 936 of file q_shared.c. Referenced by ArenaServers_Insert(), CG_ParseServerinfo(), CL_SetServerInfo(), ClientUserinfoChanged(), G_BotConnect(), G_CheckBotSpawn(), StartServer_Cache(), StartServer_GametypeEvent(), SV_SetUserinfo(), SV_UserinfoChanged(), UI_AddBotsMenu_SetBotNames(), UI_BotSelectMenu_UpdateGrid(), UI_BuildFindPlayerList(), UI_BuildPlayerList(), UI_RemoveBotsMenu_SetBotNames(), UI_SPLevelMenu_SetBots(), and UI_TeamOrdersMenu_BuildBotList(). { char pkey[BIG_INFO_KEY]; static char value[2][BIG_INFO_VALUE]; // use two buffers so compares // work without stomping on each other static int valueindex = 0; char *o; if ( !s || !key ) { return ""; } if ( strlen( s ) >= BIG_INFO_STRING ) { Com_Error( ERR_DROP, "Info_ValueForKey: oversize infostring" ); } valueindex ^= 1; if (*s == '\\') s++; while (1) { o = pkey; while (*s != '\\') { if (!*s) return ""; *o++ = *s++; } *o = 0; s++; o = value[valueindex]; while (*s != '\\' && *s) { *o++ = *s++; } *o = 0; if (!Q_stricmp (key, pkey) ) return value[valueindex]; if (!*s) break; s++; } return ""; }

qint64 Long64NoSwap (  qint64  ll  )

Definition at line 172 of file q_shared.c. { return ll; }

qint64 Long64Swap (  qint64  ll  )

Definition at line 156 of file q_shared.c. References qint64::b0, qint64::b1, qint64::b2, qint64::b3, qint64::b4, qint64::b5, qint64::b6, and qint64::b7. { qint64 result; result.b0 = ll.b7; result.b1 = ll.b6; result.b2 = ll.b5; result.b3 = ll.b4; result.b4 = ll.b3; result.b5 = ll.b2; result.b6 = ll.b1; result.b7 = ll.b0; return result; }

int LongNoSwap (  int  l  )

Definition at line 151 of file q_shared.c. { return l; }

int LongSwap (  int  l  )

Definition at line 139 of file q_shared.c. { byte b1,b2,b3,b4; b1 = l&255; b2 = (l>>8)&255; b3 = (l>>16)&255; b4 = (l>>24)&255; return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4; }

void Parse1DMatrix (  char **  buf_p, int  x, float *  m )

Definition at line 609 of file q_shared.c. { char *token; int i; COM_MatchToken( buf_p, "(" ); for (i = 0 ; i < x ; i++) { token = COM_Parse(buf_p); m[i] = atof(token); } COM_MatchToken( buf_p, ")" ); }

void Parse2DMatrix (  char **  buf_p, int  y, int  x, float *  m )

Definition at line 623 of file q_shared.c. { int i; COM_MatchToken( buf_p, "(" ); for (i = 0 ; i < y ; i++) { Parse1DMatrix (buf_p, x, m + i * x); } COM_MatchToken( buf_p, ")" ); }

void Parse3DMatrix (  char **  buf_p, int  z, int  y, int  x, float *  m )

Definition at line 635 of file q_shared.c. { int i; COM_MatchToken( buf_p, "(" ); for (i = 0 ; i < z ; i++) { Parse2DMatrix (buf_p, y, x, m + i * x*y); } COM_MatchToken( buf_p, ")" ); }

char* Q_CleanStr (  char *  string  )

Definition at line 848 of file q_shared.c. { char* d; char* s; int c; s = string; d = string; while ((c = *s) != 0 ) { if ( Q_IsColorString( s ) ) { s++; } else if ( c >= 0x20 && c <= 0x7E ) { *d++ = c; } s++; } *d = '\0'; return string; }

int Q_isalpha (  int  c  )

Definition at line 677 of file q_shared.c. { if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')) return ( 1 ); return ( 0 ); }

int Q_islower (  int  c  )

Definition at line 663 of file q_shared.c. { if (c >= 'a' && c <= 'z') return ( 1 ); return ( 0 ); }

int Q_isprint (  int  c  )

Definition at line 656 of file q_shared.c. { if ( c >= 0x20 && c <= 0x7E ) return ( 1 ); return ( 0 ); }

int Q_isupper (  int  c  )

Definition at line 670 of file q_shared.c. { if (c >= 'A' && c <= 'Z') return ( 1 ); return ( 0 ); }

int Q_PrintStrlen (  const char *  string  )

Definition at line 825 of file q_shared.c. { int len; const char *p; if( !string ) { return 0; } len = 0; p = string; while( *p ) { if( Q_IsColorString( p ) ) { p += 2; continue; } p++; len++; } return len; }

void Q_strcat (  char *  dest, int  size, const char *  src )

Definition at line 814 of file q_shared.c. { int l1; l1 = strlen( dest ); if ( l1 >= size ) { Com_Error( ERR_FATAL, "Q_strcat: already overflowed" ); } Q_strncpyz( dest + l1, src, size - l1 ); }

int Q_stricmp (  const char *  s1, const char *  s2 )

Definition at line 785 of file q_shared.c. { return (s1 && s2) ? Q_stricmpn (s1, s2, 99999) : -1; }

int Q_stricmpn (  const char *  s1, const char *  s2, int  n )

Definition at line 727 of file q_shared.c. { int c1, c2; // bk001129 - moved in 1.17 fix not in id codebase