static gchar *
get_document(const gchar *uri)
{
g_return_val_if_fail(uri, NULL);
const gchar *anchor;
const gchar *contents;
GMappedFile *file = NULL;
gchar *filename = NULL;
gsize length;
gchar *key = NULL;
gsize key_length;
gsize offset = 0;
const gchar *start;
const gchar *end;
gchar *result = NULL;
anchor = strrchr(uri, '#');
if (!anchor)
goto catch;
filename = g_strndup(uri, anchor - uri);
anchor++;
if (g_str_has_prefix (filename, "file://"))
offset = 7;
file = g_mapped_file_new(filename + offset, FALSE, NULL);
if (!file)
goto catch;
contents = g_mapped_file_get_contents(file);
length = g_mapped_file_get_length(file);
key = g_strdup_printf("<a name=\"%s\"", anchor);
key_length = strlen(key);
start = find_in_buffer(contents, key, length, key_length);
if (!start)
goto catch;
end = NULL;
{
const gchar *startkey;
const gchar *endkey;
length -= start - contents;
startkey = "<pre class=\"programlisting\">";
start = find_in_buffer(start, startkey, length, strlen(startkey));
if (start)
{
endkey = "<div class=\"refsect";
end = find_in_buffer(start, endkey, length - strlen(startkey), strlen(endkey));
if (!end)
{
endkey = "<div class=\"footer";
end = find_in_buffer(start, endkey, length - strlen(startkey), strlen(endkey));
}
}
}
if (!(start && end))
goto catch;
{
gchar *buf;
buf = g_strndup(start, end - start);
result = g_strdup_printf("<div class=\"content\">%s</div>", buf);
g_free(buf);
}
goto finally;
catch:
/**
* dh_assistant_view_set_link:
* @view: an devhelp assistant view
* @link: the #DhLink
*
* Open @link in the assistant view, if %NULL the view will be blanked.
*
* Return value: %TRUE if the requested link is open, %FALSE otherwise.
**/
gboolean
dh_assistant_view_set_link (DhAssistantView *view,
DhLink *link)
{
DhAssistantViewPriv *priv;
gchar *uri;
const gchar *anchor;
gchar *filename;
GMappedFile *file;
const gchar *contents;
gsize length;
gchar *key;
gsize key_length;
gsize offset = 0;
const gchar *start;
const gchar *end;
g_return_val_if_fail (DH_IS_ASSISTANT_VIEW (view), FALSE);
priv = GET_PRIVATE (view);
if (priv->link == link) {
return TRUE;
}
if (priv->link) {
dh_link_unref (priv->link);
priv->link = NULL;
}
if (link) {
link = dh_link_ref (link);
} else {
webkit_web_view_load_uri (WEBKIT_WEB_VIEW (view), "about:blank");
return TRUE;
}
uri = dh_link_get_uri (link);
anchor = strrchr (uri, '#');
if (anchor) {
filename = g_strndup (uri, anchor - uri);
anchor++;
g_free (uri);
} else {
g_free (uri);
return FALSE;
}
if (g_str_has_prefix (filename, "file://"))
offset = 7;
file = g_mapped_file_new (filename + offset, FALSE, NULL);
if (!file) {
g_free (filename);
return FALSE;
}
contents = g_mapped_file_get_contents (file);
length = g_mapped_file_get_length (file);
key = g_strdup_printf ("<a name=\"%s\"", anchor);
key_length = strlen (key);
start = find_in_buffer (contents, key, length, key_length);
g_free (key);
end = NULL;
if (start) {
const gchar *start_key;
const gchar *end_key;
length -= start - contents;
start_key = "<pre class=\"programlisting\">";
start = find_in_buffer (start,
start_key,
length,
strlen (start_key));
end_key = "<div class=\"refsect";
if (start) {
end = find_in_buffer (start, end_key,
length - strlen (start_key),
strlen (end_key));
if (!end) {
end_key = "<div class=\"footer";
end = find_in_buffer (start, end_key,
length - strlen (start_key),
strlen (end_key));
}
}
}
if (start && end) {
gchar *buf;
gboolean break_line;
const gchar *function;
gchar *stylesheet;
gchar *javascript;
gchar *html;
buf = g_strndup (start, end-start);
/* Try to reformat function signatures so they take less
* space and look nicer. Don't reformat things that don't
* look like functions.
*/
switch (dh_link_get_link_type (link)) {
case DH_LINK_TYPE_FUNCTION:
break_line = TRUE;
function = "onload=\"reformatSignature()\"";
break;
case DH_LINK_TYPE_MACRO:
break_line = TRUE;
function = "onload=\"cleanupSignature()\"";
break;
default:
break_line = FALSE;
function = "";
break;
}
if (break_line) {
gchar *name;
name = strstr (buf, dh_link_get_name (link));
if (name && name > buf) {
name[-1] = '\n';
}
}
stylesheet = dh_util_build_data_filename ("devhelp",
"assistant",
"assistant.css",
NULL);
javascript = dh_util_build_data_filename ("devhelp",
"assistant",
"assistant.js",
NULL);
html = g_strdup_printf (
"<html>"
"<head>"
"<link rel=\"stylesheet\" type=\"text/css\" href=\"file://%s\"/>"
"<script src=\"file://%s\"></script>"
"</head>"
"<body %s>"
"<div class=\"title\">%s: <a href=\"%s\">%s</a></div>"
"<div class=\"subtitle\">%s %s</div>"
"<div class=\"content\">%s</div>"
"</body>"
"</html>",
stylesheet,
javascript,
function,
dh_link_get_type_as_string (link),
dh_link_get_uri (link),
dh_link_get_name (link),
_("Book:"),
dh_link_get_book_name (link),
buf);
g_free (buf);
g_free (stylesheet);
g_free (javascript);
priv->snippet_loaded = FALSE;
webkit_web_view_load_string (
WEBKIT_WEB_VIEW (view),
html,
"text/html",
NULL,
filename);
g_free (html);
} else {
webkit_web_view_load_uri (WEBKIT_WEB_VIEW (view), "about:blank");
}
#if GLIB_CHECK_VERSION(2,21,3)
g_mapped_file_unref (file);
#else
g_mapped_file_free (file);
#endif
g_free (filename);
return TRUE;
}
