/*
==============
-COM_ParseToken
+COM_ParseToken_Simple
Parse a token out of a string
==============
*/
-int COM_ParseToken(const char **datapointer, int returnnewline)
+int COM_ParseToken_Simple(const char **datapointer, int returnnewline)
{
int len;
int c;
data++;
while (*data && (data[0] != '*' || data[1] != '/'))
data++;
- data += 2;
+ if (*data)
+ data++;
+ if (*data)
+ data++;
goto skipwhite;
}
else if (*data == '\"')
{
// quoted string
- for (data++;*data != '\"';data++)
+ for (data++;*data && *data != '\"';data++)
{
- if (!*data || len >= (int)sizeof(com_token) - 1)
- {
- com_token[0] = 0;
- *datapointer = NULL;
- return false;
- }
c = *data;
if (*data == '\\')
{
- if (data[1] == '"')
- {
- data++;
- c = *data;
- }
- else if (data[1] == '\'')
- {
- data++;
- c = *data;
- }
- else if (data[1] == 'n')
- {
- data++;
+ data++;
+ c = *data;
+ if (c == 'n')
c = '\n';
- }
- else if (data[1] == '\\')
- data++;
+ else if (c == 't')
+ c = '\t';
}
- com_token[len++] = c;
+ if (len < (int)sizeof(com_token) - 1)
+ com_token[len++] = c;
}
com_token[len] = 0;
- *datapointer = data+1;
+ if (*data == '\"')
+ data++;
+ *datapointer = data;
return true;
}
- else if (*data == '\'')
+ else if (*data == '\r')
+ {
+ // translate Mac line ending to UNIX
+ com_token[len++] = '\n';data++;
+ com_token[len] = 0;
+ *datapointer = data;
+ return true;
+ }
+ else if (*data == '\n')
+ {
+ // single character
+ com_token[len++] = *data++;
+ com_token[len] = 0;
+ *datapointer = data;
+ return true;
+ }
+ else
+ {
+ // regular word
+ for (;*data > ' ';data++)
+ if (len < (int)sizeof(com_token) - 1)
+ com_token[len++] = *data;
+ com_token[len] = 0;
+ *datapointer = data;
+ return true;
+ }
+}
+
+/*
+==============
+COM_ParseToken_QuakeC
+
+Parse a token out of a string
+==============
+*/
+int COM_ParseToken_QuakeC(const char **datapointer, int returnnewline)
+{
+ int len;
+ int c;
+ const char *data = *datapointer;
+
+ len = 0;
+ com_token[0] = 0;
+
+ if (!data)
+ {
+ *datapointer = NULL;
+ return false;
+ }
+
+// skip whitespace
+skipwhite:
+ // line endings:
+ // UNIX: \n
+ // Mac: \r
+ // Windows: \r\n
+ for (;*data <= ' ' && ((*data != '\n' && *data != '\r') || !returnnewline);data++)
+ {
+ if (*data == 0)
+ {
+ // end of file
+ *datapointer = NULL;
+ return false;
+ }
+ }
+
+ // handle Windows line ending
+ if (data[0] == '\r' && data[1] == '\n')
+ data++;
+
+ if (data[0] == '/' && data[1] == '/')
+ {
+ // comment
+ while (*data && *data != '\n' && *data != '\r')
+ data++;
+ goto skipwhite;
+ }
+ else if (data[0] == '/' && data[1] == '*')
+ {
+ // comment
+ data++;
+ while (*data && (data[0] != '*' || data[1] != '/'))
+ data++;
+ if (*data)
+ data++;
+ if (*data)
+ data++;
+ goto skipwhite;
+ }
+ else if (*data == '\"' || *data == '\'')
{
// quoted string
- for (data++;*data != '\'';data++)
+ char quote = *data;
+ for (data++;*data && *data != quote;data++)
{
- if (!*data || len >= (int)sizeof(com_token) - 1)
- {
- com_token[0] = 0;
- *datapointer = NULL;
- return false;
- }
c = *data;
if (*data == '\\')
{
- if (data[1] == '"')
- {
- data++;
- c = *data;
- }
- else if (data[1] == '\'')
- {
- data++;
- c = *data;
- }
- else if (data[1] == 'n')
- {
- data++;
+ data++;
+ c = *data;
+ if (c == 'n')
c = '\n';
- }
- else if (data[1] == '\\')
- data++;
+ else if (c == 't')
+ c = '\t';
}
- com_token[len++] = c;
+ if (len < (int)sizeof(com_token) - 1)
+ com_token[len++] = c;
}
com_token[len] = 0;
- *datapointer = data+1;
+ if (*data == quote)
+ data++;
+ *datapointer = data;
return true;
}
else if (*data == '\r')
{
// translate Mac line ending to UNIX
- com_token[len++] = '\n';
+ com_token[len++] = '\n';data++;
com_token[len] = 0;
*datapointer = data;
return true;
}
- else if (*data == '\n' || *data == '{' || *data == '}' || *data == ')' || *data == '(' || *data == ']' || *data == '[' || *data == '\'' || *data == ':' || *data == ',' || *data == ';')
+ else if (*data == '\n' || *data == '{' || *data == '}' || *data == ')' || *data == '(' || *data == ']' || *data == '[' || *data == ':' || *data == ',' || *data == ';')
{
// single character
com_token[len++] = *data++;
else
{
// regular word
- for (;*data > ' ' && *data != '{' && *data != '}' && *data != ')' && *data != '(' && *data != ']' && *data != '[' && *data != '\'' && *data != ':' && *data != ',' && *data != ';' && *data != '\'' && *data != '"';data++)
+ for (;*data > ' ' && *data != '{' && *data != '}' && *data != ')' && *data != '(' && *data != ']' && *data != '[' && *data != ':' && *data != ',' && *data != ';';data++)
+ if (len < (int)sizeof(com_token) - 1)
+ com_token[len++] = *data;
+ com_token[len] = 0;
+ *datapointer = data;
+ return true;
+ }
+}
+
+/*
+==============
+COM_ParseToken_VM_Tokenize
+
+Parse a token out of a string
+==============
+*/
+int COM_ParseToken_VM_Tokenize(const char **datapointer, int returnnewline)
+{
+ int len;
+ int c;
+ const char *data = *datapointer;
+
+ len = 0;
+ com_token[0] = 0;
+
+ if (!data)
+ {
+ *datapointer = NULL;
+ return false;
+ }
+
+// skip whitespace
+skipwhite:
+ // line endings:
+ // UNIX: \n
+ // Mac: \r
+ // Windows: \r\n
+ for (;*data <= ' ' && ((*data != '\n' && *data != '\r') || !returnnewline);data++)
+ {
+ if (*data == 0)
+ {
+ // end of file
+ *datapointer = NULL;
+ return false;
+ }
+ }
+
+ // handle Windows line ending
+ if (data[0] == '\r' && data[1] == '\n')
+ data++;
+
+ if (data[0] == '/' && data[1] == '/')
+ {
+ // comment
+ while (*data && *data != '\n' && *data != '\r')
+ data++;
+ goto skipwhite;
+ }
+ else if (data[0] == '/' && data[1] == '*')
+ {
+ // comment
+ data++;
+ while (*data && (data[0] != '*' || data[1] != '/'))
+ data++;
+ if (*data)
+ data++;
+ if (*data)
+ data++;
+ goto skipwhite;
+ }
+ else if (*data == '\"' || *data == '\'')
+ {
+ char quote = *data;
+ // quoted string
+ for (data++;*data && *data != quote;data++)
{
- if (len >= (int)sizeof(com_token) - 1)
- {
- com_token[0] = 0;
- *datapointer = NULL;
- return false;
- }
c = *data;
if (*data == '\\')
{
- if (data[1] == '"')
- {
- data++;
- c = *data;
- }
- else if (data[1] == '\'')
- {
- data++;
- c = *data;
- }
- else if (data[1] == 'n')
- {
- data++;
+ data++;
+ c = *data;
+ if (c == 'n')
c = '\n';
- }
- else if (data[1] == '\\')
- data++;
+ else if (c == 't')
+ c = '\t';
}
- com_token[len++] = c;
+ if (len < (int)sizeof(com_token) - 1)
+ com_token[len++] = c;
}
com_token[len] = 0;
+ if (*data == quote)
+ data++;
+ *datapointer = data;
+ return true;
+ }
+ else if (*data == '\r')
+ {
+ // translate Mac line ending to UNIX
+ com_token[len++] = '\n';data++;
+ com_token[len] = 0;
+ *datapointer = data;
+ return true;
+ }
+ else if (*data == '\n' || *data == '{' || *data == '}' || *data == ')' || *data == '(' || *data == ']' || *data == '[' || *data == ':' || *data == ',' || *data == ';')
+ {
+ // single character
+ com_token[len++] = *data++;
+ com_token[len] = 0;
+ *datapointer = data;
+ return true;
+ }
+ else
+ {
+ // regular word
+ for (;*data > ' ' && *data != ',' && *data != ';' && *data != '{' && *data != '}' && *data != ')' && *data != '(' && *data != ']' && *data != '[' && *data != ':' && *data != ',' && *data != ';';data++)
+ if (len < (int)sizeof(com_token) - 1)
+ com_token[len++] = *data;
+ com_token[len] = 0;
*datapointer = data;
return true;
}
/*
==============
-COM_ParseTokenConsole
+COM_ParseToken_Console
Parse a token out of a string, behaving like the qwcl console
==============
*/
-int COM_ParseTokenConsole(const char **datapointer)
+int COM_ParseToken_Console(const char **datapointer)
{
int len;
const char *data = *datapointer;
else if (*data == '\"')
{
// quoted string
- for (data++;*data != '\"';data++)
+ for (data++;*data && *data != '\"';data++)
{
- if (!*data || len >= (int)sizeof(com_token) - 1)
- {
- com_token[0] = 0;
- *datapointer = NULL;
- return false;
- }
- com_token[len++] = *data;
+ // allow escaped " and \ case
+ if (*data == '\\' && (data[1] == '\"' || data[1] == '\\'))
+ data++;
+ if (len < (int)sizeof(com_token) - 1)
+ com_token[len++] = *data;
}
com_token[len] = 0;
- *datapointer = data+1;
+ if (*data == '\"')
+ data++;
+ *datapointer = data;
}
else
{
// regular word
for (;*data > ' ';data++)
- {
- if (len >= (int)sizeof(com_token) - 1)
- {
- com_token[0] = 0;
- *datapointer = NULL;
- return false;
- }
- com_token[len++] = *data;
- }
+ if (len < (int)sizeof(com_token) - 1)
+ com_token[len++] = *data;
com_token[len] = 0;
*datapointer = data;
}
return argc;
}
+/*
+============
+COM_StringLengthNoColors
+
+calculates the visible width of a color coded string.
+
+*valid is filled with TRUE if the string is a valid colored string (that is, if
+it does not end with an unfinished color code). If it gets filled with FALSE, a
+fix would be adding a STRING_COLOR_TAG at the end of the string.
+
+valid can be set to NULL if the caller doesn't care.
+
+For size_s, specify the maximum number of characters from s to use, or 0 to use
+all characters until the zero terminator.
+============
+*/
+size_t
+COM_StringLengthNoColors(const char *s, size_t size_s, qboolean *valid)
+{
+ const char *end = size_s ? (s + size_s) : NULL;
+ size_t len = 0;
+ for(;;)
+ {
+ switch((s == end) ? 0 : *s)
+ {
+ case 0:
+ if(valid)
+ *valid = TRUE;
+ return len;
+ case STRING_COLOR_TAG:
+ ++s;
+ switch((s == end) ? 0 : *s)
+ {
+ case 0: // ends with unfinished color code!
+ ++len;
+ if(valid)
+ *valid = FALSE;
+ return len;
+ case STRING_COLOR_TAG: // escaped ^
+ ++len;
+ break;
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9': // color code
+ break;
+ default: // not a color code
+ ++len; // STRING_COLOR_TAG
+ ++len; // the character
+ break;
+ }
+ break;
+ default:
+ ++len;
+ break;
+ }
+ ++s;
+ }
+ // never get here
+}
+
+/*
+============
+COM_StringDecolorize
+
+removes color codes from a string.
+
+If escape_carets is true, the resulting string will be safe for printing. If
+escape_carets is false, the function will just strip color codes (for logging
+for example).
+
+If the output buffer size did not suffice for converting, the function returns
+FALSE. Generally, if escape_carets is false, the output buffer needs
+strlen(str)+1 bytes, and if escape_carets is true, it can need strlen(str)+2
+bytes. In any case, the function makes sure that the resulting string is
+zero terminated.
+
+For size_in, specify the maximum number of characters from in to use, or 0 to use
+all characters until the zero terminator.
+============
+*/
+qboolean
+COM_StringDecolorize(const char *in, size_t size_in, char *out, size_t size_out, qboolean escape_carets)
+{
+#define APPEND(ch) do { if(--size_out) { *out++ = (ch); } else { *out++ = 0; return FALSE; } } while(0)
+ const char *end = size_in ? (in + size_in) : NULL;
+ if(size_out < 1)
+ return FALSE;
+ for(;;)
+ {
+ switch((in == end) ? 0 : *in)
+ {
+ case 0:
+ *out++ = 0;
+ return TRUE;
+ case STRING_COLOR_TAG:
+ ++in;
+ switch((in == end) ? 0 : *in)
+ {
+ case 0: // ends with unfinished color code!
+ APPEND(STRING_COLOR_TAG);
+ // finish the code by appending another caret when escaping
+ if(escape_carets)
+ APPEND(STRING_COLOR_TAG);
+ *out++ = 0;
+ return TRUE;
+ case STRING_COLOR_TAG: // escaped ^
+ APPEND(STRING_COLOR_TAG);
+ // append a ^ twice when escaping
+ if(escape_carets)
+ APPEND(STRING_COLOR_TAG);
+ break;
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9': // color code
+ break;
+ default: // not a color code
+ APPEND(STRING_COLOR_TAG);
+ APPEND(*in);
+ break;
+ }
+ break;
+ default:
+ APPEND(*in);
+ break;
+ }
+ ++in;
+ }
+ // never get here
+#undef APPEND
+}
+
// written by Elric, thanks Elric!
char *SearchInfostring(const char *infostring, const char *key)
{
projects / xonotic / darkplaces.git / blobdiff