DeforaOS/Surfer
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Using libParser to parse XML/HTML content

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This commit is contained in:
Pierre Pronchery 2010-08-24 23:44:54 +00:00
parent c9c7b27618
commit ca2e1501f1
2 changed files with 75 additions and 32 deletions
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14
src/common/conn.c
View File

@ -44,7 +44,7 @@ struct _Conn
int image;
/* callback */
ssize_t (*callback_write)(Conn *, char const *, ssize_t, gpointer);
ssize_t (*callback_write)(Conn *, char const *, size_t, gpointer);
gpointer callback_write_data;
/* http */
@ -66,7 +66,7 @@ static void _conn_set_progress(Conn * conn, gdouble progress);
static void _conn_set_status(Conn * conn, char const * status);
static void _conn_set_callback_write(Conn * conn,
ssize_t (*callback)(Conn *, char const *, ssize_t, gpointer),
ssize_t (*callback)(Conn *, char const *, size_t, gpointer),
gpointer data);
/* useful */
@ -76,7 +76,7 @@ static int _conn_load(Conn * conn);
/* functions */
/* conn_new */
static ssize_t _new_callback_write(Conn * conn, char const * buf, ssize_t size,
static ssize_t _new_callback_write(Conn * conn, char const * buf, size_t size,
gpointer data);
static Conn * _conn_new(Surfer * surfer, char const * url, char const * post)
@ -113,13 +113,11 @@ static Conn * _conn_new(Surfer * surfer, char const * url, char const * post)
return conn;
}
static ssize_t _new_callback_write(Conn * conn, char const * buf, ssize_t size,
static ssize_t _new_callback_write(Conn * conn, char const * buf, size_t size,
gpointer data)
{
ssize_t ret;
if(size < 0)
return -1;
if((ret = fwrite(buf, sizeof(*buf), size, data)) != size)
return -1;
return ret;
@ -171,7 +169,7 @@ static void _conn_set_status(Conn * conn, char const * status)
/* conn_set_callback_write */
static void _conn_set_callback_write(Conn * conn,
ssize_t (*callback)(Conn *, char const *, ssize_t, gpointer),
ssize_t (*callback)(Conn *, char const *, size_t, gpointer),
gpointer data)
{
conn->callback_write = callback;
@ -268,6 +266,8 @@ static void _http_data_complete(GConnHttpEventData * event, Conn * conn)
return;
}
conn->callback_write(conn, buf, size, conn->callback_write_data);
/* FIXME find a more elegant way? */
conn->callback_write(conn, NULL, 0, conn->callback_write_data);
_http_data_progress(event, conn);
_conn_set_status(conn, NULL);
}

93
src/ghtml-gtktextview.c
View File

@ -16,7 +16,9 @@
#include <stdlib.h>
#include <errno.h>
#include <libintl.h>
#include <System/Parser/XML.h>
#include "ghtml.h"
#include "../config.h"
#include "common/conn.c"
@ -41,10 +43,12 @@ typedef struct _GHtml
/* connection */
Conn * conn;
char * buffer;
size_t buffer_cnt;
/* html widget */
GtkWidget * view;
GtkTextBuffer * buffer;
GtkTextBuffer * tbuffer;
} GHtml;
@ -69,12 +73,14 @@ GtkWidget * ghtml_new(Surfer * surfer)
ghtml->history = NULL;
ghtml->current = NULL;
ghtml->conn = NULL;
ghtml->buffer = NULL;
ghtml->buffer_cnt = 0;
widget = gtk_scrolled_window_new(NULL, NULL);
g_object_set_data(G_OBJECT(widget), "ghtml", ghtml);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
ghtml->view = gtk_text_view_new();
ghtml->buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(ghtml->view));
ghtml->tbuffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(ghtml->view));
gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(ghtml->view),
FALSE);
gtk_text_view_set_editable(GTK_TEXT_VIEW(ghtml->view), FALSE);
@ -91,6 +97,7 @@ void ghtml_delete(GtkWidget * widget)
GHtml * ghtml;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
free(ghtml->buffer);
if(ghtml->conn != NULL)
_conn_delete(ghtml->conn);
free(ghtml);
@ -152,14 +159,9 @@ gdouble ghtml_get_progress(GtkWidget * widget)
char const * ghtml_get_source(GtkWidget * widget)
{
GHtml * ghtml;
GtkTextIter start;
GtkTextIter end;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
/* FIXME leaks memory and will not always correspond to the source */
gtk_text_buffer_get_start_iter(ghtml->buffer, &start);
gtk_text_buffer_get_end_iter(ghtml->buffer, &end);
return gtk_text_buffer_get_text(ghtml->buffer, &start, &end, FALSE);
return ghtml->buffer;
}
@ -215,9 +217,9 @@ gboolean ghtml_find(GtkWidget * widget, char const * text, gboolean sensitive,
return ret;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
/* XXX highly inefficient */
gtk_text_buffer_get_start_iter(ghtml->buffer, &start);
gtk_text_buffer_get_end_iter(ghtml->buffer, &end);
buf = gtk_text_buffer_get_text(ghtml->buffer, &start, &end, FALSE);
gtk_text_buffer_get_start_iter(ghtml->tbuffer, &start);
gtk_text_buffer_get_end_iter(ghtml->tbuffer, &end);
buf = gtk_text_buffer_get_text(ghtml->tbuffer, &start, &end, FALSE);
if(buf == NULL || (blen = strlen(buf)) == 0)
return ret;
if(ghtml->search >= blen)
@ -249,9 +251,9 @@ static gboolean _find_match(GHtml * ghtml, char const * buf, char const * str,
offset = str - buf;
ghtml->search = offset + 1;
gtk_text_buffer_get_iter_at_offset(ghtml->buffer, &start, offset);
gtk_text_buffer_get_iter_at_offset(ghtml->buffer, &end, offset + tlen);
gtk_text_buffer_select_range(ghtml->buffer, &start, &end);
gtk_text_buffer_get_iter_at_offset(ghtml->tbuffer, &start, offset);
gtk_text_buffer_get_iter_at_offset(ghtml->tbuffer, &end, offset + tlen);
gtk_text_buffer_select_range(ghtml->tbuffer, &start, &end);
gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(ghtml->view), &start, 0.0,
FALSE, 0.0, 0.0);
return TRUE;
@ -332,9 +334,9 @@ void ghtml_select_all(GtkWidget * widget)
GtkTextIter end;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
gtk_text_buffer_get_start_iter(ghtml->buffer, &start);
gtk_text_buffer_get_end_iter(ghtml->buffer, &end);
gtk_text_buffer_select_range(ghtml->buffer, &start, &end);
gtk_text_buffer_get_start_iter(ghtml->tbuffer, &start);
gtk_text_buffer_get_end_iter(ghtml->tbuffer, &end);
gtk_text_buffer_select_range(ghtml->tbuffer, &start, &end);
}
@ -345,8 +347,8 @@ void ghtml_unselect_all(GtkWidget * widget)
GtkTextIter start;
ghtml = g_object_get_data(G_OBJECT(widget), "ghtml");
gtk_text_buffer_get_start_iter(ghtml->buffer, &start);
gtk_text_buffer_select_range(ghtml->buffer, &start, &start);
gtk_text_buffer_get_start_iter(ghtml->tbuffer, &start);
gtk_text_buffer_select_range(ghtml->tbuffer, &start, &start);
}
@ -372,9 +374,10 @@ void ghtml_zoom_reset(GtkWidget * ghtml)
/* functions */
static ssize_t _document_load_write(Conn * conn, char const * buf, ssize_t size,
static ssize_t _document_load_write(Conn * conn, char const * buf, size_t size,
gpointer data);
static gboolean _document_load_idle(gpointer data);
static void _document_load_write_node(GHtml * ghtml, XMLNode * node);
static int _ghtml_document_load(GHtml * ghtml, char const * url,
char const * post)
@ -386,7 +389,10 @@ static int _ghtml_document_load(GHtml * ghtml, char const * url,
return 1;
ghtml->history = g_list_append(ghtml->history, h);
ghtml->current = g_list_last(ghtml->history);
gtk_text_buffer_set_text(ghtml->buffer, "", 0);
gtk_text_buffer_set_text(ghtml->tbuffer, "", 0);
free(ghtml->buffer);
ghtml->buffer = NULL;
ghtml->buffer_cnt = 0;
ghtml->search = 0;
surfer_set_location(ghtml->surfer, url);
surfer_set_title(ghtml->surfer, NULL);
@ -397,15 +403,52 @@ static int _ghtml_document_load(GHtml * ghtml, char const * url,
return 0;
}
static ssize_t _document_load_write(Conn * conn, char const * buf, ssize_t size,
static ssize_t _document_load_write(Conn * conn, char const * buf, size_t size,
gpointer data)
{
GHtml * ghtml = data;
XML * xml;
XMLDocument * doc;
char * p;
if(size == 0)
{
if((xml = xml_new_string(ghtml->buffer, ghtml->buffer_cnt))
== NULL)
return 0;
if((doc = xml_get_document(xml)) != NULL)
_document_load_write_node(ghtml, doc->root);
xml_delete(xml);
}
if((p = realloc(ghtml->buffer, ghtml->buffer_cnt + size)) == NULL)
return -error_set_code(1, "%s", strerror(errno));
ghtml->buffer = p;
memcpy(&ghtml->buffer[ghtml->buffer_cnt], buf, size);
ghtml->buffer_cnt += size;
return size;
}
static void _document_load_write_node(GHtml * ghtml, XMLNode * node)
{
size_t i;
GtkTextIter iter;
gtk_text_buffer_get_end_iter(ghtml->buffer, &iter);
gtk_text_buffer_insert(ghtml->buffer, &iter, buf, size);
return size;
if(node == NULL)
return;
switch(node->type)
{
case XML_NODE_TYPE_DATA:
/* FIXME looks like memory corruption at some point */
gtk_text_buffer_get_end_iter(ghtml->tbuffer, &iter);
gtk_text_buffer_insert(ghtml->tbuffer, &iter,
node->data.buffer, node->data.size);
break;
case XML_NODE_TYPE_TAG:
for(i = 0; i < node->tag.childs_cnt; i++)
_document_load_write_node(ghtml,
node->tag.childs[i]);
break;
}
}
static gboolean _document_load_idle(gpointer data)