netsurf/windows/findfile.c

212 lines
4.7 KiB
C

/*
* Copyright 2008 Daniel Silverstone <dsilvers@netsurf-browser.org>
* Copyright 2009 Mark Benjamin <netsurf-browser.org.MarkBenjamin@dfgh.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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, see <http://www.gnu.org/licenses/>.
*/
#include <winsock2.h>
#include <windows.h>
#include <limits.h>
#include <unistd.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <curl/curl.h>
#include "utils/url.h"
#include "utils/log.h"
#include "utils/utils.h"
#include "utils/filepath.h"
#include "windows/findfile.h"
/** Create an array of valid paths to search for resources.
*
* The idea is that all the complex path computation to find resources
* is performed here, once, rather than every time a resource is
* searched for.
*/
char **
nsws_init_resource(const char *resource_path)
{
char **pathv; /* resource path string vector */
char **respath; /* resource paths vector */
const char *lang = NULL;
char *winpath;
int pathi;
char *slsh;
pathv = filepath_path_to_strvec(resource_path);
if (pathv == NULL)
return NULL;
winpath = malloc(MAX_PATH);
GetModuleFileName(NULL, winpath, MAX_PATH);
slsh = strrchr(winpath, '\\');
if (slsh != NULL)
*slsh=0;
strncat(winpath, "\\windows\\res", MAX_PATH);
pathi = 0;
while (pathv[pathi] != NULL)
pathi++;
pathv[pathi] = winpath;
respath = filepath_generate(pathv, &lang);
filepath_free_strvec(pathv);
return respath;
}
static char *realpath(const char *path, char *resolved_path)
{
/* useless, but there we go */
return strncpy(resolved_path, path, PATH_MAX);
}
char *path_to_url(const char *path)
{
char *url;
char *sidx;
if (path == NULL)
return NULL;
url = malloc(strlen(path) + FILE_SCHEME_PREFIX_LEN + 3);
if (url == NULL)
return NULL;
strcpy(url, FILE_SCHEME_PREFIX);
if (*path == '/') {
/* unix style path start, so try wine Z: */
strcat(url, "Z:");
}
strcat(url, path);
sidx = strrchr(url, '\\');
while (sidx != NULL) {
*sidx = '/';
sidx = strrchr(url, '\\');
}
return url;
}
char *url_to_path(const char *url)
{
char *url_path = curl_unescape(url, 0);
char *path;
char *sidx;
if ((url_path[FILE_SCHEME_PREFIX_LEN + 1] == ':') ||
(url_path[FILE_SCHEME_PREFIX_LEN + 1] == '|')) {
/* url_path contains a drive: prefix */
path = strdup(url_path + FILE_SCHEME_PREFIX_LEN);
/* swap / for \ */
sidx = strrchr(path, '/');
while (sidx != NULL) {
*sidx = '\\';
sidx = strrchr(path, '/');
}
} else {
/* return the absolute path including leading / */
path = strdup(url_path + (FILE_SCHEME_PREFIX_LEN - 1));
}
curl_free(url_path);
return path;
}
/**
* Locate a shared resource file by searching known places in order.
*
* \param buf buffer to write to. must be at least PATH_MAX chars
* \param filename file to look for
* \param def default to return if file not found
* \return buf
*
* Search order is: ~/.netsurf/, $NETSURFRES/ (where NETSURFRES is an
* environment variable), then the path specified in
NETSURF_WINDOWS_RESPATH in the Makefile then .\res\ [windows paths]
*/
char *nsws_find_resource(char *buf, const char *filename, const char *def)
{
char *cdir = getenv("HOME");
char t[PATH_MAX];
if (cdir != NULL) {
LOG(("Found Home %s", cdir));
strcpy(t, cdir);
strcat(t, "/.netsurf/");
strcat(t, filename);
if ((realpath(t, buf) != NULL) && (access(buf, R_OK) == 0))
return buf;
}
cdir = getenv("NETSURFRES");
if (cdir != NULL) {
if (realpath(cdir , buf) != NULL) {
strcat(buf, "/");
strcat(buf, filename);
if (access(buf, R_OK) == 0)
return buf;
}
}
strcpy(t, NETSURF_WINDOWS_RESPATH);
strcat(t, filename);
if ((realpath(t, buf) != NULL) && (access(buf, R_OK) == 0))
return buf;
getcwd(t, PATH_MAX - SLEN("\\res\\") - strlen(filename));
strcat(t, "\\res\\");
strcat(t, filename);
LOG(("looking in %s", t));
if ((realpath(t, buf) != NULL) && (access(buf, R_OK) == 0))
return buf;
if (def[0] == '~') {
snprintf(t, PATH_MAX, "%s%s", getenv("HOME"), def + 1);
if (realpath(t, buf) == NULL) {
strcpy(buf, t);
}
} else {
if (realpath(def, buf) == NULL) {
strcpy(buf, def);
}
}
return buf;
}
/*
* Local Variables:
* c-basic-offset: 8
* End:
*/