void utility_formatter::insert_escaped(const std::string& s,
const quote_types qt, const spacing_types st) const {
const space_scope scope(st, stream_);
stream_ << escape_quote(s, qt);
}
/**
* Builds the line to execute by the handler.
*
* Takes the handler from the config file and the filename, and mates them
* together, placing the filename where appropriate.
*
* It will replace any instance of %% with the filename. If no %% exists in
* the handler parameter, it will add the filename to the end of the handler
* with a space. The filename will always be surrounded by double quotes.
*
* This returns a newly allocated string that the caller is expected to
* free.
*/
static char* build_exec_line(char* handler, char* path, char* name)
{
char* sanefilename;
char* sanepath;
char* sanename;
char* handlerline;
char* replacename;
char* percentmod = NULL;
char* postpercent = NULL;
char* percentloc = NULL;
int didreplace = 0;
int percentoffset;
int reallocsize;
/* build filename with quotes */
sanepath = escape_quote(path);
sanename = escape_quote(name);
sanefilename = malloc(strlen(sanepath) + strlen(sanename) + 4);
sprintf(sanefilename, "\"%s/%s\"", sanepath, sanename);
handlerline = strdup(handler);
/* now replace all %% that occur */
while ((percentloc = strstr(handlerline, "%")))
{
percentmod = percentloc+1;
/* parse the substitution string, and replace it as follows:
%F is replaced with only the filename being acted upon
%D is replaced with only the path to the above file
%% is replaced with %D/%F */
if (percentmod[0] == '%')
replacename = sanefilename;
else if (percentmod[0] == 'F' || percentmod[0] == 'f')
replacename = sanename;
else if (percentmod[0] == 'D' || percentmod[0] == 'd')
replacename = sanepath;
else
{
log_write("Error: %%%c is not a valid substitution string\n",percentmod[0]);
}
percentoffset = percentloc - handlerline;
didreplace = 1;
postpercent = strdup(percentloc+2);
/* size is length of original string minus size of %% plus size of file plus \0 */
reallocsize = strlen(handlerline) - 2 + strlen(replacename) + 1;
handlerline = realloc(handlerline, reallocsize);
/* make sure we get the whole filename including the \0 */
strncpy(handlerline+percentoffset, replacename, strlen(replacename) + 1);
strncat(handlerline, postpercent, strlen(postpercent));
free(postpercent);
}
/* if no replacements, we must tack it on the end */
if (!didreplace)
{
handlerline = realloc(handlerline, strlen(handlerline) + 1 + strlen(sanefilename) + 1);
strcat(handlerline, " ");
strcat(handlerline, sanefilename);
}
free(sanefilename);
free(sanepath);
free(sanename);
return handlerline;
}