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/*
* Copyright (C) 2009 - 2011 Vivien Malerba <malerba@gnome-db.org>
* Copyright (C) 2010 David King <davidk@openismus.com>
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/*
* This program generates a string array using *.xml.in files passed as argument
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#define MAXSIZE 65536
#define MAXFILES 128
typedef struct {
char *fname;
int start;
} EmbFile;
EmbFile emb_files[MAXFILES];
int
main (int argc,char** argv)
{
char buffer[MAXSIZE];
int maxlen = MAXSIZE-1;
int arg_index;
int buffer_index = 0, real_index = 0;
int file_index;
if (argc < 2) {
fprintf (stderr, "Usage: %s <file1.xml.in> [...]\n", argv[0]);
return 1;
}
if (argc - 1> MAXFILES) {
fprintf (stderr, "Max number of files (%d) reached: %d files to embedd\nIncrease MAXFILES constant and re-run\n",
MAXFILES, argc - 1);
return 1;
}
for (file_index = 0, arg_index = 1;
arg_index < argc;
arg_index++) {
const char *cfile = argv[arg_index];
/* ignore files which do not end in ".xml.in" */
int i, len;
len = strlen (cfile);
if ((len < 8) || strcmp (cfile + len - 7, ".xml.in")) {
/* ignore that file */
continue;
}
/* prepare file name to embedd: remove directory and the ".in" */
EmbFile *efile;
efile = &(emb_files [file_index]);
fprintf (stderr, "Embedding %s\n", cfile);
for (i = len - 8; i >= 0; i--) {
if ((cfile[i] == '/') || (cfile[i] == '\\'))
break;
}
efile->fname = malloc (sizeof (char) * len - i);
memcpy (efile->fname, cfile + i + 1, len - i);
efile->fname[len - i - 4] = 0;
efile->start = real_index;
/*fprintf (stderr, "FNAME: %s\n", efile->fname);*/
/* load file in buffer */
FILE *file;
long fsize;
size_t n_read;
file = fopen (cfile, "r");
if (!file) {
fprintf (stderr, "Can't read '%s'", cfile);
return 1;
}
/* file size */
fseek (file , 0 , SEEK_END);
fsize = ftell (file);
rewind (file);
if (fsize + buffer_index >= maxlen) {
fprintf (stderr, "Max buffer size reached\nIncrease MAXSIZE constant and re-run\n");
fclose (file);
return 1;
}
/* copy the file into the buffer: */
n_read = fread (buffer + buffer_index, 1, fsize, file);
if (n_read != fsize) {
fprintf (stderr, "Reading error");
fclose (file);
return 1;
}
/* alter buffer */
int added = 0;
int real_added = 0;
for (i = buffer_index; i < buffer_index + n_read + added; i++) {
if (buffer_index + n_read + added + 2 >= maxlen) {
fprintf (stderr, "Max buffer size reached\nIncrease MAXSIZE constant and re-run\n");
fclose (file);
return 1;
}
if (buffer[i] == '"') {
added ++;
memmove (buffer + i + 1, buffer + i, buffer_index + n_read + added - i);
buffer[i] = '\\';
i++;
}
else if (buffer[i] == '\n') {
/*
added += 1;
memmove (buffer + i + 1, buffer + i, buffer_index + n_read + added - i);
buffer[i] = '\\';
buffer[i+1] = 'n';
i += 1;
*/
added += 4;
memmove (buffer + i + 4, buffer + i, buffer_index + n_read + added - i);
buffer[i] = '\\';
buffer[i+1] = 'n';
buffer[i+2] = '"';
buffer[i+3] = '\n';
buffer[i+4] = '"';
i += 4;
}
else if ((buffer[i] == '_') && (i > buffer_index) && (buffer[i-1] == ' ')) {
added --;
real_added --;
buffer[i] = ' ';
memmove (buffer + i - 1, buffer + i, buffer_index + n_read + added - i);
i --;
}
}
real_index += n_read + real_added;
buffer_index += n_read + added -1;
buffer [buffer_index] = '\\';
buffer_index ++;
buffer [buffer_index] = '0';
buffer_index ++;
file_index ++;
fclose (file);
}
buffer [buffer_index] = 0;
/* Output */
int i;
printf ("typedef struct {\n\tgchar *fname;\n\tint start;\n} EmbFile;\n\nEmbFile emb_index[%d] = {\n",
file_index);
for (i = 0; i < file_index; i++) {
EmbFile *efile;
efile = &(emb_files [i]);
printf ("\t{\"%s\", %d}", efile->fname, efile->start);
if (i < file_index - 1)
printf (",\n");
else
printf ("\n");
}
printf ("};\n\n");
printf ("gchar *emb_string=\"%s\";\n\n", buffer);
printf ("static const gchar *\nemb_get_file (const gchar *fname)\n"
"{\n\tgint i;\n\tfor (i = 0; i < %d; i++) {\n"
"\t\tEmbFile *efile = &(emb_index[i]);\n"
"\t\tif (!strcmp (efile->fname, fname))\n"
"\t\t\treturn (emb_string + efile->start);\n"
"\t}\n"
"\treturn NULL;\n}\n\n",
file_index);
return 0;
}
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