move path_to_url and url_to_path to fetch operation table

1 files changed, 145 insertions, 0 deletions

diff --git a/monkey/fetch.c b/monkey/fetch.c
new file mode 100644
index 000000000..668ad0e64
--- /dev/null
+++ b/monkey/fetch.c
@@ -0,0 +1,145 @@
+/*
+ * 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/>.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+#include <limits.h>
+
+#include "desktop/gui.h"
+#include "utils/url.h"
+#include "utils/nsurl.h"
+#include "utils/filepath.h"
+
+#include "monkey/filetype.h"
+#include "monkey/fetch.h"
+
+extern char **respaths;
+
+
+static 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 (url == NULL) {
+    return NULL;
+  }
+
+  if (*path == '/') {
+    path++; /* file: paths are already absolute */
+  }
+
+  snprintf(url, urllen, "%s%s", FILE_SCHEME_PREFIX, path);
+
+  return url;
+}
+
+static 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;
+}
+
+/**
+ * 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;
+}
+
+static nsurl *gui_get_resource_url(const char *path)
+{
+  char buf[PATH_MAX];
+  char *raw;
+  nsurl *url = NULL;
+
+  raw = path_to_url(filepath_sfind(respaths, buf, path));
+  if (raw != NULL) {
+    nsurl_create(raw, &url);
+    free(raw);
+  }
+
+  return url;
+}
+
+static struct gui_fetch_table fetch_table = {
+  .filename_from_path = filename_from_path,
+  .path_add_part = path_add_part,
+  .filetype = monkey_fetch_filetype,
+  .path_to_url = path_to_url,
+  .url_to_path = url_to_path,
+
+  .get_resource_url = gui_get_resource_url,
+};
+
+struct gui_fetch_table *monkey_fetch_table = &fetch_table;