Current File : //usr/share/doc/libxslt-devel-1.1.28/tutorial2/libxslt_pipes.c
/*
* libxslt_pipes.c: a program for performing a series of XSLT
* transformations
*
* Writen by Panos Louridas, based on libxslt_tutorial.c by John Fleck.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <libxslt/transform.h>
#include <libxslt/xsltutils.h>
extern int xmlLoadExtDtdDefaultValue;
static void usage(const char *name) {
printf("Usage: %s [options] stylesheet [stylesheet ...] file [file ...]\n",
name);
printf(" --out file: send output to file\n");
printf(" --param name value: pass a (parameter,value) pair\n");
}
int main(int argc, char **argv) {
int arg_indx;
const char *params[16 + 1];
int params_indx = 0;
int stylesheet_indx = 0;
int file_indx = 0;
int i, j, k;
FILE *output_file = stdout;
xsltStylesheetPtr *stylesheets =
(xsltStylesheetPtr *) calloc(argc, sizeof(xsltStylesheetPtr));
xmlDocPtr *files = (xmlDocPtr *) calloc(argc, sizeof(xmlDocPtr));
xmlDocPtr doc, res;
int return_value = 0;
if (argc <= 1) {
usage(argv[0]);
return_value = 1;
goto finish;
}
/* Collect arguments */
for (arg_indx = 1; arg_indx < argc; arg_indx++) {
if (argv[arg_indx][0] != '-')
break;
if ((!strcmp(argv[arg_indx], "-param"))
|| (!strcmp(argv[arg_indx], "--param"))) {
arg_indx++;
params[params_indx++] = argv[arg_indx++];
params[params_indx++] = argv[arg_indx];
if (params_indx >= 16) {
fprintf(stderr, "too many params\n");
return_value = 1;
goto finish;
}
} else if ((!strcmp(argv[arg_indx], "-o"))
|| (!strcmp(argv[arg_indx], "--out"))) {
arg_indx++;
output_file = fopen(argv[arg_indx], "w");
} else {
fprintf(stderr, "Unknown option %s\n", argv[arg_indx]);
usage(argv[0]);
return_value = 1;
goto finish;
}
}
params[params_indx] = 0;
/* Collect and parse stylesheets and files to be transformed */
for (; arg_indx < argc; arg_indx++) {
char *argument =
(char *) malloc(sizeof(char) * (strlen(argv[arg_indx]) + 1));
strcpy(argument, argv[arg_indx]);
if (strtok(argument, ".")) {
char *suffix = strtok(0, ".");
if (suffix && !strcmp(suffix, "xsl")) {
stylesheets[stylesheet_indx++] =
xsltParseStylesheetFile((const xmlChar *)argv[arg_indx]);;
} else {
files[file_indx++] = xmlParseFile(argv[arg_indx]);
}
} else {
files[file_indx++] = xmlParseFile(argv[arg_indx]);
}
free(argument);
}
xmlSubstituteEntitiesDefault(1);
xmlLoadExtDtdDefaultValue = 1;
/* Process files */
for (i = 0; files[i]; i++) {
doc = files[i];
res = doc;
for (j = 0; stylesheets[j]; j++) {
res = xsltApplyStylesheet(stylesheets[j], doc, params);
xmlFreeDoc(doc);
doc = res;
}
if (stylesheets[0]) {
xsltSaveResultToFile(output_file, res, stylesheets[j-1]);
} else {
xmlDocDump(output_file, res);
}
xmlFreeDoc(res);
}
fclose(output_file);
for (k = 0; stylesheets[k]; k++) {
xsltFreeStylesheet(stylesheets[k]);
}
xsltCleanupGlobals();
xmlCleanupParser();
finish:
free(stylesheets);
free(files);
return(return_value);
}
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