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hhctrl.ocx: Separate the HTML Help stream reader code from the Contents tab.

This commit is contained in:
Erich Hoover 2010-01-27 19:12:21 -07:00 committed by Alexandre Julliard
parent 8894da4a6e
commit 5912b0c92f
4 changed files with 216 additions and 158 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
dlls/hhctrl.ocx/Makefile.in
View File

@ -11,6 +11,7 @@ C_SRCS = \
help.c \
hhctrl.c \
regsvr.c \
stream.c \
webbrowser.c
RC_SRCS = \

159
dlls/hhctrl.ocx/content.c
View File

@ -20,13 +20,12 @@
#define NONAMELESSSTRUCT
#include "hhctrl.h"
#include "stream.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
#define BLOCK_SIZE 0x1000
typedef enum {
INSERT_NEXT,
INSERT_CHILD
@ -50,162 +49,6 @@ static void free_content_item(ContentItem *item)
}
}
typedef struct {
char *buf;
int size;
int len;
} strbuf_t;
static void strbuf_init(strbuf_t *buf)
{
buf->size = 8;
buf->len = 0;
buf->buf = heap_alloc(buf->size);
}
static void strbuf_zero(strbuf_t *buf)
{
buf->len = 0;
}
static void strbuf_free(strbuf_t *buf)
{
heap_free(buf->buf);
}
static void strbuf_append(strbuf_t *buf, const char *data, int len)
{
if(buf->len+len > buf->size) {
buf->size = buf->len+len;
buf->buf = heap_realloc(buf->buf, buf->size);
}
memcpy(buf->buf+buf->len, data, len);
buf->len += len;
}
typedef struct {
IStream *str;
char buf[BLOCK_SIZE];
ULONG size;
ULONG p;
} stream_t;
static void stream_init(stream_t *stream, IStream *str)
{
memset(stream, 0, sizeof(stream_t));
stream->str = str;
}
static BOOL stream_chr(stream_t *stream, strbuf_t *buf, char c)
{
BOOL b = TRUE;
ULONG i;
while(b) {
for(i=stream->p; i<stream->size; i++) {
if(stream->buf[i] == c) {
b = FALSE;
break;
}
}
if(buf && i > stream->p)
strbuf_append(buf, stream->buf+stream->p, i-stream->p);
stream->p = i;
if(stream->p == stream->size) {
stream->p = 0;
IStream_Read(stream->str, stream->buf, sizeof(stream->buf), &stream->size);
if(!stream->size)
break;
}
}
return stream->size != 0;
}
static void get_node_name(strbuf_t *node, strbuf_t *name)
{
const char *ptr = node->buf+1;
strbuf_zero(name);
while(*ptr != '>' && !isspace(*ptr))
ptr++;
strbuf_append(name, node->buf+1, ptr-node->buf-1);
strbuf_append(name, "", 1);
}
static BOOL next_node(stream_t *stream, strbuf_t *buf)
{
if(!stream_chr(stream, NULL, '<'))
return FALSE;
if(!stream_chr(stream, buf, '>'))
return FALSE;
strbuf_append(buf, ">", 2);
return TRUE;
}
/*
* Find the value of a named HTML attribute.
*
* Note: Attribute names are case insensitive, so it is necessary to
* put both the node text and the attribute name in the same case
* before attempting a string search.
*/
static const char *get_attr(const char *node, const char *name, int *len)
{
const char *ptr, *ptr2;
int name_len, node_len;
char name_buf[32];
char *node_buf;
int i;
/* Create a lower case copy of the node */
node_len = strlen(node)+1;
node_buf = heap_alloc(node_len*sizeof(char));
if(!node_buf)
return NULL;
memcpy(node_buf, node, node_len);
for(i=0;i<node_len;i++)
node_buf[i] = tolower(node_buf[i]);
/* Create a lower case copy of the attribute name (search string) */
name_len = strlen(name);
memcpy(name_buf, name, name_len);
for(i=0;i<name_len;i++)
name_buf[i] = tolower(name_buf[i]);
name_buf[name_len++] = '=';
name_buf[name_len++] = '\"';
name_buf[name_len] = 0;
ptr = strstr(node_buf, name_buf);
if(!ptr) {
WARN("name not found\n");
heap_free(node_buf);
return NULL;
}
ptr += name_len;
ptr2 = strchr(ptr, '\"');
if(!ptr2)
{
heap_free(node_buf);
return NULL;
}
*len = ptr2-ptr;
/* Return the pointer offset within the original string */
ptr = node+(ptr-node_buf);
heap_free(node_buf);
return ptr;
}
static void parse_obj_node_param(ContentItem *item, ContentItem *hhc_root, const char *text)
{
const char *ptr;

167
dlls/hhctrl.ocx/stream.c Normal file
View File

@ -0,0 +1,167 @@
/*
* Copyright 2007 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "hhctrl.h"
#include "stream.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
void strbuf_init(strbuf_t *buf)
{
buf->size = 8;
buf->len = 0;
buf->buf = heap_alloc(buf->size);
}
void strbuf_zero(strbuf_t *buf)
{
buf->len = 0;
}
void strbuf_free(strbuf_t *buf)
{
heap_free(buf->buf);
}
void strbuf_append(strbuf_t *buf, const char *data, int len)
{
if(buf->len+len > buf->size) {
buf->size = buf->len+len;
buf->buf = heap_realloc(buf->buf, buf->size);
}
memcpy(buf->buf+buf->len, data, len);
buf->len += len;
}
void stream_init(stream_t *stream, IStream *str)
{
memset(stream, 0, sizeof(stream_t));
stream->str = str;
}
BOOL stream_chr(stream_t *stream, strbuf_t *buf, char c)
{
BOOL b = TRUE;
ULONG i;
while(b) {
for(i=stream->p; i<stream->size; i++) {
if(stream->buf[i] == c) {
b = FALSE;
break;
}
}
if(buf && i > stream->p)
strbuf_append(buf, stream->buf+stream->p, i-stream->p);
stream->p = i;
if(stream->p == stream->size) {
stream->p = 0;
IStream_Read(stream->str, stream->buf, sizeof(stream->buf), &stream->size);
if(!stream->size)
break;
}
}
return stream->size != 0;
}
void get_node_name(strbuf_t *node, strbuf_t *name)
{
const char *ptr = node->buf+1;
strbuf_zero(name);
while(*ptr != '>' && !isspace(*ptr))
ptr++;
strbuf_append(name, node->buf+1, ptr-node->buf-1);
strbuf_append(name, "", 1);
}
BOOL next_node(stream_t *stream, strbuf_t *buf)
{
if(!stream_chr(stream, NULL, '<'))
return FALSE;
if(!stream_chr(stream, buf, '>'))
return FALSE;
strbuf_append(buf, ">", 2);
return TRUE;
}
/*
* Find the value of a named HTML attribute.
*
* Note: Attribute names are case insensitive, so it is necessary to
* put both the node text and the attribute name in the same case
* before attempting a string search.
*/
const char *get_attr(const char *node, const char *name, int *len)
{
const char *ptr, *ptr2;
int name_len, node_len;
char name_buf[32];
char *node_buf;
int i;
/* Create a lower case copy of the node */
node_len = strlen(node)+1;
node_buf = heap_alloc(node_len*sizeof(char));
if(!node_buf)
return NULL;
memcpy(node_buf, node, node_len);
for(i=0;i<node_len;i++)
node_buf[i] = tolower(node_buf[i]);
/* Create a lower case copy of the attribute name (search string) */
name_len = strlen(name);
memcpy(name_buf, name, name_len);
for(i=0;i<name_len;i++)
name_buf[i] = tolower(name_buf[i]);
name_buf[name_len++] = '=';
name_buf[name_len++] = '\"';
name_buf[name_len] = 0;
ptr = strstr(node_buf, name_buf);
if(!ptr) {
WARN("name not found\n");
heap_free(node_buf);
return NULL;
}
ptr += name_len;
ptr2 = strchr(ptr, '\"');
if(!ptr2)
{
heap_free(node_buf);
return NULL;
}
*len = ptr2-ptr;
/* Return the pointer offset within the original string */
ptr = node+(ptr-node_buf);
heap_free(node_buf);
return ptr;
}

47
dlls/hhctrl.ocx/stream.h Normal file
View File

@ -0,0 +1,47 @@
/*
* Copyright 2007 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef HHCTRL_STREAM_H
#define HHCTRL_STREAM_H
#define BLOCK_SIZE 0x1000
typedef struct {
char *buf;
int size;
int len;
} strbuf_t;
typedef struct {
IStream *str;
char buf[BLOCK_SIZE];
ULONG size;
ULONG p;
} stream_t;
void strbuf_init(strbuf_t *buf);
void strbuf_zero(strbuf_t *buf);
void strbuf_free(strbuf_t *buf);
void strbuf_append(strbuf_t *buf, const char *data, int len);
void stream_init(stream_t *stream, IStream *str);
BOOL stream_chr(stream_t *stream, strbuf_t *buf, char c);
void get_node_name(strbuf_t *node, strbuf_t *name);
BOOL next_node(stream_t *stream, strbuf_t *buf);
const char *get_attr(const char *node, const char *name, int *len);
#endif