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Fix parsing error when an empty HTML data is returned. Add HTTP status and other information to status bar.

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svn path=/trunk/netsurf/; revision=3140
This commit is contained in:
James Bursa 2007-01-13 00:21:15 +00:00
parent e76140557d
commit bda01b3135
7 changed files with 233 additions and 116 deletions
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45
!NetSurf/Resources/en/Messages
View File

@ -450,11 +450,7 @@ Complete:Page complete (%gs)
Redirecting:Redirecting...
Processing:Processing document
Formatting:Formatting document
FetchObjs:Loading %u %s
FetchObjs2:Loading %u %s: %s
Done:Document done
FetchStyle:Loading %u %s
FetchStyle2:Loading %u %s: %s
# Fetch warning/error messages - displayed in status bar
#
@ -471,6 +467,47 @@ PNGError:PNG library error.
MNGError:MNG library error.
BadSprite:Invalid or corrupt Sprite data.
# HTTP status codes
#
HTTP0:OK
HTTP200:OK
HTTP201:Created
HTTP202:Accepted
HTTP203:Non-authoritative information
HTTP204:No content
HTTP205:Reset content
HTTP206:Partial content
HTTP300:Multiple choices
HTTP301:Moved permanently
HTTP302:Found
HTTP303:See other
HTTP304:Not modified
HTTP305:Use proxy
HTTP307:Temporary redirect
HTTP400:Bad request
HTTP401:Unauthorized
HTTP402:Payment required
HTTP403:Forbidden
HTTP404:Not found
HTTP405:Method not allowed
HTTP406:Not acceptable
HTTP407:Proxy authentication required
HTTP408:Request timeout
HTTP409:Conflict
HTTP410:Gone
HTTP411:Length required
HTTP412:Precondition failed
HTTP413:Request entity too large
HTTP414:Request-URI too long
HTTP415:Unsupported media type
HTTP416:Requested range not satisfiable
HTTP417:Expectation failed
HTTP500:Internal server error
HTTP501:Not implemented
HTTP502:Bad gateway
HTTP503:Service unavailable
HTTP504:Gateway timeout
HTTP505:HTTP version not supported
# User interface
# ==============

60
content/content.c
View File

@ -2,7 +2,7 @@
* This file is part of NetSurf, http://netsurf-browser.org/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* Copyright 2005 James Bursa <bursa@users.sourceforge.net>
* Copyright 2005-2007 James Bursa <bursa@users.sourceforge.net>
*/
/** \file
@ -18,6 +18,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "netsurf/utils/config.h"
#include "netsurf/content/content.h"
#include "netsurf/content/fetch.h"
@ -304,6 +305,7 @@ static const struct handler_entry handler_map[] = {
#define HANDLER_MAP_COUNT (sizeof(handler_map) / sizeof(handler_map[0]))
static void content_update_status(struct content *c);
static void content_destroy(struct content *c);
static void content_stop_check(struct content *c);
@ -373,6 +375,7 @@ struct content * content_create(const char *url)
c->refresh = 0;
c->bitmap = 0;
c->fresh = false;
c->time = clock();
c->size = 0;
c->title = 0;
c->active = 0;
@ -380,13 +383,14 @@ struct content * content_create(const char *url)
user_sentinel->p1 = user_sentinel->p2 = 0;
user_sentinel->next = 0;
c->user_list = user_sentinel;
content_set_status(c, messages_get("Loading"));
c->sub_status[0] = 0;
c->locked = false;
c->fetch = 0;
c->source_data = 0;
c->source_size = 0;
c->source_allocated = 0;
c->total_size = 0;
c->http_code = 0;
c->no_error_pages = false;
c->download = false;
c->error_count = 0;
@ -400,6 +404,8 @@ struct content * content_create(const char *url)
c->cache_data->etag = 0;
c->cache_data->last_modified = 0;
content_set_status(c, messages_get("Loading"));
c->prev = 0;
c->next = content_list;
if (content_list)
@ -592,11 +598,38 @@ void content_set_status(struct content *c, const char *status_message, ...)
int len;
va_start(ap, status_message);
if ((len = vsnprintf(c->status_message, sizeof (c->status_message),
if ((len = vsnprintf(c->sub_status, sizeof (c->sub_status),
status_message, ap)) < 0 ||
(int)sizeof (c->status_message) <= len)
c->status_message[sizeof (c->status_message) - 1] = '\0';
(int)sizeof (c->sub_status) <= len)
c->sub_status[sizeof (c->sub_status) - 1] = '\0';
va_end(ap);
content_update_status(c);
}
void content_update_status(struct content *c)
{
char token[20];
const char *status;
clock_t time;
snprintf(token, sizeof token, "HTTP%li", c->http_code);
status = messages_get(token);
if (status == token)
status = token + 4;
if (c->status == CONTENT_STATUS_TYPE_UNKNOWN ||
c->status == CONTENT_STATUS_LOADING ||
c->status == CONTENT_STATUS_READY)
time = clock() - c->time;
else
time = c->time;
snprintf(c->status_message, sizeof (c->status_message),
"%s (%.1fs) %s", status,
(float) time / CLOCKS_PER_SEC, c->sub_status);
/* LOG(("%s", c->status_message)); */
}
@ -704,7 +737,22 @@ void content_convert(struct content *c, int width, int height)
c->status == CONTENT_STATUS_DONE);
content_broadcast(c, CONTENT_MSG_READY, msg_data);
if (c->status == CONTENT_STATUS_DONE)
content_broadcast(c, CONTENT_MSG_DONE, msg_data);
content_set_done(c);
}
/**
* Put a content in status CONTENT_STATUS_DONE.
*/
void content_set_done(struct content *c)
{
union content_msg_data msg_data;
c->status = CONTENT_STATUS_DONE;
c->time = clock() - c->time;
content_update_status(c);
content_broadcast(c, CONTENT_MSG_DONE, msg_data);
}

11
content/content.h
View File

@ -2,7 +2,7 @@
* This file is part of NetSurf, http://netsurf-browser.org/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* Copyright 2005 James Bursa <bursa@users.sourceforge.net>
* Copyright 2005-2007 James Bursa <bursa@users.sourceforge.net>
* Copyright 2003 Philip Pemberton <philpem@users.sourceforge.net>
*/
@ -16,6 +16,7 @@
#define _NETSURF_DESKTOP_CONTENT_H_
#include <stdint.h>
#include <time.h>
#include "netsurf/utils/config.h"
#include "netsurf/content/content_type.h"
#include "netsurf/css/css.h"
@ -178,6 +179,9 @@ struct content {
* shared between users. */
bool fresh;
struct cache_data *cache_data; /**< Cache control data */
clock_t time; /**< Creation time, if TYPE_UNKNOWN,
LOADING or READY,
otherwise total time. */
unsigned int size; /**< Estimated size of all data
associated with this content, except
@ -186,7 +190,8 @@ struct content {
unsigned int active; /**< Number of child fetches or
conversions currently in progress. */
struct content_user *user_list; /**< List of users. */
char status_message[80]; /**< Text for status bar. */
char status_message[120]; /**< Full text for status bar. */
char sub_status[80]; /**< Status of content. */
/** Content is being processed: data structures may be inconsistent
* and content must not be redrawn or modified. */
bool locked;
@ -196,6 +201,7 @@ struct content {
unsigned long source_size; /**< Amount of data fetched so far. */
unsigned long source_allocated; /**< Amount of space allocated so far. */
unsigned long total_size; /**< Total data size, 0 if unknown. */
long http_code; /**< HTTP status code, 0 if not HTTP. */
bool no_error_pages; /**< Used by fetchcache(). */
bool download; /**< Used by fetchcache(). */
@ -226,6 +232,7 @@ void content_set_status(struct content *c, const char *status_message, ...);
bool content_process_data(struct content *c, const char *data,
unsigned int size);
void content_convert(struct content *c, int width, int height);
void content_set_done(struct content *c);
void content_reformat(struct content *c, int width, int height);
void content_clean(void);
void content_reset(struct content *c);

1
content/fetchcache.c
View File

@ -376,6 +376,7 @@ void fetchcache_callback(fetch_msg msg, void *p, const void *data,
switch (msg) {
case FETCH_TYPE:
c->total_size = size;
c->http_code = fetch_http_code(c->fetch);
mime_type = fetchcache_parse_type(data, &params);
if (!mime_type) {
msg_data.error = messages_get("NoMemory");

8
desktop/browser.c
View File

@ -20,7 +20,6 @@
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "curl/curl.h"
#include "netsurf/utils/config.h"
#include "netsurf/content/fetch.h"
@ -286,7 +285,6 @@ void browser_window_go_post(struct browser_window *bw, const char *url,
browser_window_set_status(bw, messages_get("Loading"));
bw->history_add = history_add;
bw->time0 = clock();
c = fetchcache(url2, browser_window_callback, (intptr_t) bw, 0,
width, height, false,
post_urlenc, post_multipart, true, download);
@ -347,6 +345,7 @@ void browser_window_callback(content_msg msg, struct content *c,
url[sizeof url - 1] = 0;
gui_window_set_url(bw->window, url);
bw->refresh_interval = -1;
browser_window_set_status(bw, c->status_message);
}
break;
@ -414,10 +413,7 @@ void browser_window_callback(content_msg msg, struct content *c,
assert(bw->current_content == c);
browser_window_update(bw, false);
sprintf(status, messages_get("Complete"),
((float) (clock() - bw->time0)) /
CLOCKS_PER_SEC);
browser_window_set_status(bw, status);
browser_window_set_status(bw, c->status_message);
browser_window_stop_throbber(bw);
history_update(bw->history, c);
hotlist_visited(c);

2
desktop/browser.h
View File

@ -74,8 +74,6 @@ struct browser_window {
bool throbbing;
/** Add loading_content to the window history when it loads. */
bool history_add;
/** Start time of fetching loading_content. */
clock_t time0;
/** Fragment identifier for current_content. */
char *frag_id;

222
render/html.c
View File

@ -55,6 +55,20 @@ static bool html_object_type_permitted(const content_type type,
static void html_object_refresh(void *p);
static void html_destroy_frameset(struct content_html_frames *frameset);
static void html_destroy_iframe(struct content_html_iframe *iframe);
static void html_set_status(struct content *c, const char *extra);
static const char empty_document[] =
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\""
" \"http://www.w3.org/TR/html4/strict.dtd\">"
"<html>"
"<head>"
"<title>Empty document</title>"
"</head>"
"<body>"
"<h1>Empty document</h1>"
"<p>The document sent by the server is empty.</p>"
"</body>"
"</html>";
/**
@ -264,11 +278,15 @@ bool html_convert(struct content *c, int width, int height)
union content_msg_data msg_data;
/* finish parsing */
if (c->source_size == 0)
htmlParseChunk(c->data.html.parser, empty_document,
sizeof empty_document, 0);
htmlParseChunk(c->data.html.parser, "", 0, 1);
document = c->data.html.parser->myDoc;
/*xmlDebugDumpDocument(stderr, c->data.html.parser->myDoc);*/
htmlFreeParserCtxt(c->data.html.parser);
c->data.html.parser = 0;
if (!document) {
LOG(("Parsing failed"));
msg_data.error = messages_get("ParsingFail");
@ -353,24 +371,92 @@ bool html_convert(struct content *c, int width, int height)
xmlFreeDoc(document);
/* layout the box tree */
content_set_status(c, messages_get("Formatting"));
html_set_status(c, messages_get("Formatting"));
content_broadcast(c, CONTENT_MSG_STATUS, msg_data);
LOG(("Layout document"));
html_reformat(c, width, height);
/*box_dump(c->data.html.layout->children, 0);*/
if (c->active == 0) {
if (c->active == 0)
c->status = CONTENT_STATUS_DONE;
content_set_status(c, messages_get("Done"));
} else {
else
c->status = CONTENT_STATUS_READY;
content_set_status(c, messages_get("FetchObjs"), c->active,
messages_get((c->active == 1) ? "obj" : "objs"));
}
html_set_status(c, "");
return true;
}
/**
* Process elements in <head>.
*
* \param c content structure
* \param head xml node of head element
* \return true on success, false on memory exhaustion
*
* The title and base href are extracted if present.
*/
bool html_head(struct content *c, xmlNode *head)
{
xmlNode *node;
xmlChar *s;
c->title = 0;
for (node = head->children; node != 0; node = node->next) {
if (node->type != XML_ELEMENT_NODE)
continue;
LOG(("Node: %s", node->name));
if (!c->title && strcmp(node->name, "title") == 0) {
xmlChar *title = xmlNodeGetContent(node);
if (!title)
return false;
char *title2 = squash_whitespace(title);
xmlFree(title);
if (!title2)
return false;
c->title = talloc_strdup(c, title2);
free(title2);
if (!c->title)
return false;
} else if (strcmp(node->name, "base") == 0) {
char *href = (char *) xmlGetProp(node,
(const xmlChar *) "href");
if (href) {
char *url;
url_func_result res;
res = url_normalize(href, &url);
if (res == URL_FUNC_OK) {
c->data.html.base_url =
talloc_strdup(c, url);
free(url);
}
xmlFree(href);
}
/* don't use the central values to ease freeing later on */
if ((s = xmlGetProp(node, (const xmlChar *) "target"))) {
if ((!strcasecmp(s, "_blank")) || (!strcasecmp(s, "_top")) ||
(!strcasecmp(s, "_parent")) ||
(!strcasecmp(s, "_self")) ||
('a' <= s[0] && s[0] <= 'z') ||
('A' <= s[0] && s[0] <= 'Z')) { /* [6.16] */
c->data.html.base_target = talloc_strdup(c, s);
if (!c->data.html.base_target) {
xmlFree(s);
return false;
}
}
xmlFree(s);
}
}
}
return true;
}
/**
* Search for meta refresh
*
@ -483,75 +569,6 @@ bool html_meta_refresh(struct content *c, xmlNode *head)
return true;
}
/**
* Process elements in <head>.
*
* \param c content structure
* \param head xml node of head element
* \return true on success, false on memory exhaustion
*
* The title and base href are extracted if present.
*/
bool html_head(struct content *c, xmlNode *head)
{
xmlNode *node;
xmlChar *s;
c->title = 0;
for (node = head->children; node != 0; node = node->next) {
if (node->type != XML_ELEMENT_NODE)
continue;
LOG(("Node: %s", node->name));
if (!c->title && strcmp(node->name, "title") == 0) {
xmlChar *title = xmlNodeGetContent(node);
if (!title)
return false;
char *title2 = squash_whitespace(title);
xmlFree(title);
if (!title2)
return false;
c->title = talloc_strdup(c, title2);
free(title2);
if (!c->title)
return false;
} else if (strcmp(node->name, "base") == 0) {
char *href = (char *) xmlGetProp(node,
(const xmlChar *) "href");
if (href) {
char *url;
url_func_result res;
res = url_normalize(href, &url);
if (res == URL_FUNC_OK) {
c->data.html.base_url =
talloc_strdup(c, url);
free(url);
}
xmlFree(href);
}
/* don't use the central values to ease freeing later on */
if ((s = xmlGetProp(node, (const xmlChar *) "target"))) {
if ((!strcasecmp(s, "_blank")) || (!strcasecmp(s, "_top")) ||
(!strcasecmp(s, "_parent")) ||
(!strcasecmp(s, "_self")) ||
('a' <= s[0] && s[0] <= 'z') ||
('A' <= s[0] && s[0] <= 'Z')) { /* [6.16] */
c->data.html.base_target = talloc_strdup(c, s);
if (!c->data.html.base_target) {
xmlFree(s);
return false;
}
}
xmlFree(s);
}
}
}
return true;
}
/**
* Process inline stylesheets and fetch linked stylesheets.
@ -762,9 +779,7 @@ bool html_find_stylesheets(struct content *c, xmlNode *head)
/* complete the fetches */
while (c->active != 0) {
if (c->active != last_active) {
content_set_status(c, messages_get("FetchStyle"),
c->active,
messages_get((c->active == 1) ? "styl" : "styls"));
html_set_status(c, "");
content_broadcast(c, CONTENT_MSG_STATUS, msg_data);
last_active = c->active;
}
@ -820,7 +835,7 @@ void html_convert_css_callback(content_msg msg, struct content *css,
c->data.html.stylesheet_content[i] = 0;
c->active--;
content_add_error(c, "NotCSS", 0);
content_set_status(c, messages_get("NotCSS"));
html_set_status(c, messages_get("NotCSS"));
content_broadcast(c, CONTENT_MSG_STATUS, data);
content_remove_user(css,
html_convert_css_callback,
@ -854,10 +869,7 @@ void html_convert_css_callback(content_msg msg, struct content *css,
break;
case CONTENT_MSG_STATUS:
content_set_status(c, messages_get("FetchStyle2"),
c->active,
messages_get((c->active == 1) ? "styl" : "styls"),
css->status_message);
html_set_status(c, css->status_message);
content_broadcast(c, CONTENT_MSG_STATUS, data);
break;
@ -1063,7 +1075,7 @@ void html_object_callback(content_msg msg, struct content *object,
c->data.html.object[i].content = 0;
c->active--;
content_add_error(c, "?", 0);
content_set_status(c, messages_get("BadObject"));
html_set_status(c, messages_get("BadObject"));
content_broadcast(c, CONTENT_MSG_STATUS, data);
content_remove_user(object, html_object_callback,
(intptr_t) c, i);
@ -1094,18 +1106,14 @@ void html_object_callback(content_msg msg, struct content *object,
c->data.html.object[i].content = 0;
c->active--;
content_add_error(c, "?", 0);
content_set_status(c, messages_get("ObjError"),
data.error);
html_set_status(c, data.error);
content_broadcast(c, CONTENT_MSG_STATUS, data);
html_object_failed(box, c,
c->data.html.object[i].background);
break;
case CONTENT_MSG_STATUS:
content_set_status(c, messages_get("FetchObjs2"),
c->active,
messages_get((c->active == 1) ? "obj" : "objs"),
object->status_message);
html_set_status(c, object->status_message);
/* content_broadcast(c, CONTENT_MSG_STATUS, 0); */
break;
@ -1202,13 +1210,11 @@ void html_object_callback(content_msg msg, struct content *object,
msg == CONTENT_MSG_AUTH)) {
/* all objects have arrived */
content_reformat(c, c->available_width, c->height);
c->status = CONTENT_STATUS_DONE;
content_set_status(c, messages_get("Done"));
content_broadcast(c, CONTENT_MSG_DONE, data);
html_set_status(c, "");
content_set_done(c);
}
if (c->status == CONTENT_STATUS_READY)
content_set_status(c, messages_get("FetchObjs"), c->active,
messages_get((c->active == 1) ? "obj" : "objs"));
html_set_status(c, "");
}
@ -1536,6 +1542,30 @@ void html_destroy_iframe(struct content_html_iframe *iframe) {
}
/**
* Set the content status.
*/
void html_set_status(struct content *c, const char *extra)
{
unsigned int stylesheets = 0, objects = 0;
if (c->data.html.object_count == 0)
stylesheets = c->data.html.stylesheet_count - c->active;
else {
stylesheets = c->data.html.stylesheet_count;
objects = c->data.html.object_count - c->active;
}
content_set_status(c, "%u/%u %s %u/%u %s %s",
stylesheets, c->data.html.stylesheet_count,
messages_get((c->data.html.stylesheet_count == 1) ?
"styl" : "styls"),
objects, c->data.html.object_count,
messages_get((c->data.html.object_count == 1) ?
"obj" : "objs"),
extra);
}
/**
* Handle a window containing a CONTENT_HTML being opened.
*/