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/* This file is part of "reprepro"
* Copyright (C) 2003 Bernhard R. Link
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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 St, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include <config.h>
#include <errno.h>
#include <assert.h>
#include <string.h>
#include <strings.h>
#include <stdio.h>
#include "error.h"
#include "guesscomponent.h"
/* Guess which component to use:
* - if the user gave one, use that one.
* - if the section is a componentname, use this one
* - if the section starts with a componentname/, use this one
* - if the section ends with a /componentname, use this one
* - if the section/ is the start of a componentname, use this one
* - use the first component in the list
*/
retvalue guess_component(const char *codename, const struct atomlist *components, const char *package, const char *section, component_t givencomponent, component_t *guess) {
int i;
size_t section_len;
if (verbose >= 15) {
fprintf(stderr, "trace: guess_component(codename=%s, components=[", codename);
(void)atomlist_fprint(stderr, at_component, components);
fprintf(stderr, "], package=%s, section=%s, givencomponent=%s) called.\n",
package, section, atoms_components[givencomponent]);
}
if (atom_defined(givencomponent)) {
if (!atomlist_in(components, givencomponent)) {
(void)fprintf(stderr,
"Could not find '%s' in components of '%s': '",
atoms_components[givencomponent],
codename);
(void)atomlist_fprint(stderr,
at_component, components);
(void)fputs("'\n", stderr);
return RET_ERROR;
}
*guess = givencomponent;
return RET_OK;
}
if (section == NULL) {
fprintf(stderr,
"Found no section for '%s', so I cannot guess the component to put it in!\n",
package);
return RET_ERROR;
}
if (components->count <= 0) {
fprintf(stderr,
"I do not find any components in '%s', so there is no chance I cannot even take one by guessing!\n",
codename);
return RET_ERROR;
}
section_len = strlen(section);
for (i = 0 ; i < components->count ; i++) {
const char *component = atoms_components[components->atoms[i]];
if (strcmp(section, component) == 0) {
*guess = components->atoms[i];
return RET_OK;
}
}
for (i = 0 ; i < components->count ; i++) {
const char *component = atoms_components[components->atoms[i]];
size_t len = strlen(component);
if (len<section_len && section[len] == '/' &&
strncmp(section, component, len) == 0) {
*guess = components->atoms[i];
return RET_OK;
}
}
for (i = 0 ; i < components->count ; i++) {
const char *component = atoms_components[components->atoms[i]];
size_t len = strlen(component);
if (len<section_len && section[section_len-len-1] == '/' &&
strncmp(section+section_len-len, component, len)
== 0) {
*guess = components->atoms[i];
return RET_OK;
}
}
for (i = 0 ; i < components->count ; i++) {
const char *component = atoms_components[components->atoms[i]];
if (strncmp(section, component, section_len) == 0 &&
component[section_len] == '/') {
*guess = components->atoms[i];
return RET_OK;
}
}
*guess = components->atoms[0];
return RET_OK;
}
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