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Diffstat (limited to 'framebuffer/fetch.c')
| -rw-r--r-- | framebuffer/fetch.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/framebuffer/fetch.c b/framebuffer/fetch.c new file mode 100644 index 000000000..2e304c222 --- /dev/null +++ b/framebuffer/fetch.c @@ -0,0 +1,186 @@ +/* + * Copyright 2014 Vincent Sanders <vince@netsurf-browser.org> + * + * 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/>. + */ + +/** \file + * Interfaces for fetch table. + */ + +#include <stdio.h> +#include <string.h> + +#include "desktop/gui.h" +#include "utils/url.h" +#include "utils/log.h" +#include "utils/filepath.h" + +#include "framebuffer/findfile.h" +#include "framebuffer/fetch.h" + +/** + * Return the filename part of a full path + * + * \param path full path and filename + * \return filename (will be freed with free()) + */ +static char *filename_from_path(char *path) +{ + char *leafname; + + leafname = strrchr(path, '/'); + if (!leafname) + leafname = path; + else + leafname += 1; + + return strdup(leafname); +} + +/** + * Add a path component/filename to an existing path + * + * \param path buffer containing path + free space + * \param length length of buffer "path" + * \param newpart string containing path component to add to path + * \return true on success + */ +static bool path_add_part(char *path, int length, const char *newpart) +{ + if(path[strlen(path) - 1] != '/') + strncat(path, "/", length); + + strncat(path, newpart, length); + + return true; +} + +char *path_to_url(const char *path) +{ + int urllen; + char *url; + + if (path == NULL) + return NULL; + + urllen = strlen(path) + FILE_SCHEME_PREFIX_LEN + 1; + url = malloc(urllen); + + if (*path == '/') { + path++; /* file: paths are already absolute */ + } + + snprintf(url, urllen, "%s%s", FILE_SCHEME_PREFIX, path); + + return url; +} + + +char *url_to_path(const char *url) +{ + char *path; + char *respath; + url_func_result res; /* result from url routines */ + + res = url_path(url, &path); + if (res != URL_FUNC_OK) { + return NULL; + } + + res = url_unescape(path, &respath); + free(path); + if (res != URL_FUNC_OK) { + return NULL; + } + + return respath; +} + +/** + * Translate resource to full url. + * + * Transforms a resource: path into a full URL. The returned URL + * is used as the target for a redirect. The caller takes ownership of + * the returned nsurl including unrefing it when finished with it. + * + * \param path The path of the resource to locate. + * \return A string containing the full URL of the target object or + * NULL if no suitable resource can be found. + */ +static nsurl *get_resource_url(const char *path) +{ + char buf[PATH_MAX]; + char *raw; + nsurl *url = NULL; + + if (strcmp(path, "favicon.ico") == 0) + path = "favicon.png"; + + raw = path_to_url(filepath_sfind(respaths, buf, path)); + if (raw != NULL) { + nsurl_create(raw, &url); + free(raw); + } + + return url; +} + +/** + * filetype -- determine the MIME type of a local file + */ +static const char *fetch_filetype(const char *unix_path) +{ + int l; + LOG(("unix path %s", unix_path)); + l = strlen(unix_path); + if (2 < l && strcasecmp(unix_path + l - 3, "css") == 0) + return "text/css"; + if (2 < l && strcasecmp(unix_path + l - 3, "f79") == 0) + return "text/css"; + if (2 < l && strcasecmp(unix_path + l - 3, "jpg") == 0) + return "image/jpeg"; + if (3 < l && strcasecmp(unix_path + l - 4, "jpeg") == 0) + return "image/jpeg"; + if (2 < l && strcasecmp(unix_path + l - 3, "gif") == 0) + return "image/gif"; + if (2 < l && strcasecmp(unix_path + l - 3, "png") == 0) + return "image/png"; + if (2 < l && strcasecmp(unix_path + l - 3, "b60") == 0) + return "image/png"; + if (2 < l && strcasecmp(unix_path + l - 3, "jng") == 0) + return "image/jng"; + if (2 < l && strcasecmp(unix_path + l - 3, "svg") == 0) + return "image/svg"; + return "text/html"; +} + + +static char *fetch_mimetype(const char *ro_path) +{ + return strdup("text/plain"); +} + +/* table for fetch operations */ +static struct gui_fetch_table fetch_table = { + .filename_from_path = filename_from_path, + .path_add_part = path_add_part, + .filetype = fetch_filetype, + + .get_resource_url = get_resource_url, + .mimetype = fetch_mimetype, +}; + +struct gui_fetch_table *framebuffer_fetch_table = &fetch_table; |