mirror of
https://github.com/reactos/wine.git
synced 2024-11-28 14:10:32 +00:00
hhctrl.ocx: Separate the HTML Help stream reader code from the Contents tab.
This commit is contained in:
Erich Hoover
Alexandre Julliard
parent
8894da4a6e
commit
5912b0c92f
@ -11,6 +11,7 @@ C_SRCS = \
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help.c \
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hhctrl.c \
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regsvr.c \
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stream.c \
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webbrowser.c
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RC_SRCS = \
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@ -20,13 +20,12 @@
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#define NONAMELESSSTRUCT
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#include "hhctrl.h"
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#include "stream.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
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#define BLOCK_SIZE 0x1000
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typedef enum {
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INSERT_NEXT,
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INSERT_CHILD
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@ -50,162 +49,6 @@ static void free_content_item(ContentItem *item)
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}
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}
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typedef struct {
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char *buf;
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int size;
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int len;
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} strbuf_t;
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static void strbuf_init(strbuf_t *buf)
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{
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buf->size = 8;
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buf->len = 0;
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buf->buf = heap_alloc(buf->size);
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}
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static void strbuf_zero(strbuf_t *buf)
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{
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buf->len = 0;
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}
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static void strbuf_free(strbuf_t *buf)
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{
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heap_free(buf->buf);
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}
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static void strbuf_append(strbuf_t *buf, const char *data, int len)
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{
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if(buf->len+len > buf->size) {
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buf->size = buf->len+len;
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buf->buf = heap_realloc(buf->buf, buf->size);
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}
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memcpy(buf->buf+buf->len, data, len);
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buf->len += len;
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}
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typedef struct {
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IStream *str;
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char buf[BLOCK_SIZE];
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ULONG size;
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ULONG p;
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} stream_t;
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static void stream_init(stream_t *stream, IStream *str)
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{
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memset(stream, 0, sizeof(stream_t));
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stream->str = str;
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}
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static BOOL stream_chr(stream_t *stream, strbuf_t *buf, char c)
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{
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BOOL b = TRUE;
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ULONG i;
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while(b) {
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for(i=stream->p; i<stream->size; i++) {
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if(stream->buf[i] == c) {
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b = FALSE;
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break;
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}
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}
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if(buf && i > stream->p)
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strbuf_append(buf, stream->buf+stream->p, i-stream->p);
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stream->p = i;
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if(stream->p == stream->size) {
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stream->p = 0;
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IStream_Read(stream->str, stream->buf, sizeof(stream->buf), &stream->size);
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if(!stream->size)
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break;
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}
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}
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return stream->size != 0;
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}
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static void get_node_name(strbuf_t *node, strbuf_t *name)
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{
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const char *ptr = node->buf+1;
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strbuf_zero(name);
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while(*ptr != '>' && !isspace(*ptr))
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ptr++;
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strbuf_append(name, node->buf+1, ptr-node->buf-1);
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strbuf_append(name, "", 1);
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}
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static BOOL next_node(stream_t *stream, strbuf_t *buf)
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{
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if(!stream_chr(stream, NULL, '<'))
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return FALSE;
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if(!stream_chr(stream, buf, '>'))
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return FALSE;
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strbuf_append(buf, ">", 2);
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return TRUE;
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}
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/*
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* Find the value of a named HTML attribute.
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*
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* Note: Attribute names are case insensitive, so it is necessary to
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* put both the node text and the attribute name in the same case
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* before attempting a string search.
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*/
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static const char *get_attr(const char *node, const char *name, int *len)
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{
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const char *ptr, *ptr2;
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int name_len, node_len;
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char name_buf[32];
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char *node_buf;
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int i;
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/* Create a lower case copy of the node */
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node_len = strlen(node)+1;
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node_buf = heap_alloc(node_len*sizeof(char));
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if(!node_buf)
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return NULL;
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memcpy(node_buf, node, node_len);
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for(i=0;i<node_len;i++)
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node_buf[i] = tolower(node_buf[i]);
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/* Create a lower case copy of the attribute name (search string) */
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name_len = strlen(name);
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memcpy(name_buf, name, name_len);
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for(i=0;i<name_len;i++)
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name_buf[i] = tolower(name_buf[i]);
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name_buf[name_len++] = '=';
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name_buf[name_len++] = '\"';
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name_buf[name_len] = 0;
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ptr = strstr(node_buf, name_buf);
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if(!ptr) {
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WARN("name not found\n");
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heap_free(node_buf);
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return NULL;
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}
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ptr += name_len;
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ptr2 = strchr(ptr, '\"');
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if(!ptr2)
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{
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heap_free(node_buf);
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return NULL;
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}
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*len = ptr2-ptr;
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/* Return the pointer offset within the original string */
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ptr = node+(ptr-node_buf);
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heap_free(node_buf);
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return ptr;
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}
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static void parse_obj_node_param(ContentItem *item, ContentItem *hhc_root, const char *text)
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{
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const char *ptr;
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167
dlls/hhctrl.ocx/stream.c
Normal file
167
dlls/hhctrl.ocx/stream.c
Normal file
@ -0,0 +1,167 @@
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/*
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* Copyright 2007 Jacek Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "hhctrl.h"
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#include "stream.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(htmlhelp);
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void strbuf_init(strbuf_t *buf)
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{
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buf->size = 8;
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buf->len = 0;
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buf->buf = heap_alloc(buf->size);
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}
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void strbuf_zero(strbuf_t *buf)
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{
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buf->len = 0;
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}
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void strbuf_free(strbuf_t *buf)
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{
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heap_free(buf->buf);
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}
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void strbuf_append(strbuf_t *buf, const char *data, int len)
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{
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if(buf->len+len > buf->size) {
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buf->size = buf->len+len;
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buf->buf = heap_realloc(buf->buf, buf->size);
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}
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memcpy(buf->buf+buf->len, data, len);
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buf->len += len;
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}
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void stream_init(stream_t *stream, IStream *str)
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{
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memset(stream, 0, sizeof(stream_t));
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stream->str = str;
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}
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BOOL stream_chr(stream_t *stream, strbuf_t *buf, char c)
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{
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BOOL b = TRUE;
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ULONG i;
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while(b) {
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for(i=stream->p; i<stream->size; i++) {
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if(stream->buf[i] == c) {
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b = FALSE;
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break;
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}
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}
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if(buf && i > stream->p)
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strbuf_append(buf, stream->buf+stream->p, i-stream->p);
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stream->p = i;
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if(stream->p == stream->size) {
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stream->p = 0;
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IStream_Read(stream->str, stream->buf, sizeof(stream->buf), &stream->size);
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if(!stream->size)
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break;
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}
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}
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return stream->size != 0;
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}
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void get_node_name(strbuf_t *node, strbuf_t *name)
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{
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const char *ptr = node->buf+1;
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strbuf_zero(name);
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while(*ptr != '>' && !isspace(*ptr))
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ptr++;
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strbuf_append(name, node->buf+1, ptr-node->buf-1);
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strbuf_append(name, "", 1);
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}
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BOOL next_node(stream_t *stream, strbuf_t *buf)
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{
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if(!stream_chr(stream, NULL, '<'))
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return FALSE;
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if(!stream_chr(stream, buf, '>'))
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return FALSE;
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strbuf_append(buf, ">", 2);
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return TRUE;
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}
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/*
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* Find the value of a named HTML attribute.
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*
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* Note: Attribute names are case insensitive, so it is necessary to
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* put both the node text and the attribute name in the same case
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* before attempting a string search.
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*/
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const char *get_attr(const char *node, const char *name, int *len)
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{
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const char *ptr, *ptr2;
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int name_len, node_len;
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char name_buf[32];
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char *node_buf;
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int i;
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/* Create a lower case copy of the node */
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node_len = strlen(node)+1;
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node_buf = heap_alloc(node_len*sizeof(char));
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if(!node_buf)
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return NULL;
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memcpy(node_buf, node, node_len);
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for(i=0;i<node_len;i++)
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node_buf[i] = tolower(node_buf[i]);
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/* Create a lower case copy of the attribute name (search string) */
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name_len = strlen(name);
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memcpy(name_buf, name, name_len);
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for(i=0;i<name_len;i++)
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name_buf[i] = tolower(name_buf[i]);
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name_buf[name_len++] = '=';
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name_buf[name_len++] = '\"';
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name_buf[name_len] = 0;
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ptr = strstr(node_buf, name_buf);
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if(!ptr) {
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WARN("name not found\n");
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heap_free(node_buf);
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return NULL;
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}
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ptr += name_len;
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ptr2 = strchr(ptr, '\"');
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if(!ptr2)
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{
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heap_free(node_buf);
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return NULL;
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}
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*len = ptr2-ptr;
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/* Return the pointer offset within the original string */
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ptr = node+(ptr-node_buf);
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heap_free(node_buf);
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return ptr;
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}
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47
dlls/hhctrl.ocx/stream.h
Normal file
47
dlls/hhctrl.ocx/stream.h
Normal file
@ -0,0 +1,47 @@
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/*
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* Copyright 2007 Jacek Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef HHCTRL_STREAM_H
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#define HHCTRL_STREAM_H
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#define BLOCK_SIZE 0x1000
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typedef struct {
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char *buf;
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int size;
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int len;
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} strbuf_t;
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typedef struct {
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IStream *str;
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char buf[BLOCK_SIZE];
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ULONG size;
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ULONG p;
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} stream_t;
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void strbuf_init(strbuf_t *buf);
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void strbuf_zero(strbuf_t *buf);
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void strbuf_free(strbuf_t *buf);
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void strbuf_append(strbuf_t *buf, const char *data, int len);
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void stream_init(stream_t *stream, IStream *str);
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BOOL stream_chr(stream_t *stream, strbuf_t *buf, char c);
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void get_node_name(strbuf_t *node, strbuf_t *name);
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BOOL next_node(stream_t *stream, strbuf_t *buf);
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const char *get_attr(const char *node, const char *name, int *len);
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#endif
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