content.c File Reference

#include "hhctrl.h"
#include "stream.h"
#include "resource.h"
#include "wine/debug.h"

Include dependency graph for content.c:

Go to the source code of this file.

Macros
#define	NONAMELESSUNION

Enumerations
enum	insert_type_t { INSERT_NEXT , INSERT_CHILD }

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (htmlhelp)
static void	free_content_item (ContentItem *item)
static void	parse_obj_node_param (ContentItem *item, ContentItem *hhc_root, const char *text, UINT code_page)
static ContentItem *	parse_hhc (HHInfo *, IStream *, ContentItem *, insert_type_t *)
static ContentItem *	insert_item (ContentItem *item, ContentItem *new_item, insert_type_t insert_type)
static ContentItem *	parse_sitemap_object (HHInfo *info, stream_t *stream, ContentItem *hhc_root, insert_type_t *insert_type)
static ContentItem *	parse_ul (HHInfo *info, stream_t *stream, ContentItem *hhc_root)
static void	insert_content_item (HWND hwnd, ContentItem *parent, ContentItem *item)
static void	fill_content_tree (HWND hwnd, ContentItem *parent, ContentItem *item)
static void	set_item_parents (ContentItem *parent, ContentItem *item)
void	InitContent (HHInfo *info)
void	ReleaseContent (HHInfo *info)
void	ActivateContentTopic (HWND hWnd, LPCWSTR filename, ContentItem *item)

Macro Definition Documentation

NONAMELESSUNION

#define NONAMELESSUNION

Definition at line 20 of file content.c.

Enumeration Type Documentation

insert_type_t

enum insert_type_t

Enumerator
INSERT_NEXT
INSERT_CHILD

Definition at line 30 of file content.c.

             {
    INSERT_NEXT,
    INSERT_CHILD
} insert_type_t;

Function Documentation

ActivateContentTopic()

void ActivateContentTopic	(	HWND	hWnd,
		LPCWSTR	filename,
		ContentItem *	item
	)

Definition at line 330 of file content.c.

{
    if (lstrcmpiW(item->local, filename) == 0)
    {
        SendMessageW(hWnd, TVM_SELECTITEM, TVGN_CARET, (LPARAM) item->id);
        return;
    }
 
    if (item->next)
        ActivateContentTopic(hWnd, filename, item->next);
 
    if (item->child)
        ActivateContentTopic(hWnd, filename, item->child);
}

Referenced by ActivateContentTopic(), and DoSync().

fill_content_tree()

static void fill_content_tree ( HWND  hwnd, ContentItem *  parent, ContentItem *  item  )

static

Definition at line 282 of file content.c.

{
    while(item) {
        if(item->name) {
            insert_content_item(hwnd, parent, item);
            fill_content_tree(hwnd, item, item->child);
        }else {
            fill_content_tree(hwnd, parent, item->child);
        }
        item = item->next;
    }
}

Referenced by fill_content_tree(), and InitContent().

free_content_item()

static void free_content_item ( ContentItem *  item )

static

Definition at line 35 of file content.c.

{
    ContentItem *next;
 
    while(item) {
        next = item->next;
 
        free_content_item(item->child);
 
        heap_free(item->name);
        heap_free(item->local);
        heap_free(item->merge.chm_file);
        heap_free(item->merge.chm_index);
 
        item = next;
    }
}

Referenced by free_content_item(), parse_sitemap_object(), and ReleaseContent().

InitContent()

void InitContent

(

HHInfo *

info

)

Definition at line 304 of file content.c.

{
    IStream *stream;
    insert_type_t insert_type;
 
    info->content = heap_alloc_zero(sizeof(ContentItem));
    SetChmPath(&info->content->merge, info->pCHMInfo->szFile, info->WinType.pszToc);
 
    stream = GetChmStream(info->pCHMInfo, info->pCHMInfo->szFile, &info->content->merge);
    if(!stream) {
        TRACE("Could not get content stream\n");
        return;
    }
 
    info->content->child = parse_hhc(info, stream, info->content, &insert_type);
    IStream_Release(stream);
 
    set_item_parents(NULL, info->content);
    fill_content_tree(info->tabs[TAB_CONTENTS].hwnd, NULL, info->content);
}

Referenced by CreateViewer().

insert_content_item()

static void insert_content_item ( HWND  hwnd, ContentItem *  parent, ContentItem *  item  )

static

Definition at line 265 of file content.c.

{
    TVINSERTSTRUCTW tvis;
 
    memset(&tvis, 0, sizeof(tvis));
    tvis.u.item.mask = TVIF_TEXT|TVIF_PARAM|TVIF_IMAGE|TVIF_SELECTEDIMAGE;
    tvis.u.item.cchTextMax = lstrlenW(item->name)+1;
    tvis.u.item.pszText = item->name;
    tvis.u.item.lParam = (LPARAM)item;
    tvis.u.item.iImage = item->child ? HHTV_FOLDER : HHTV_DOCUMENT;
    tvis.u.item.iSelectedImage = item->child ? HHTV_FOLDER : HHTV_DOCUMENT;
    tvis.hParent = parent ? parent->id : 0;
    tvis.hInsertAfter = TVI_LAST;
 
    item->id = (HTREEITEM)SendMessageW(hwnd, TVM_INSERTITEMW, 0, (LPARAM)&tvis);
}

Referenced by fill_content_tree().

insert_item()

static ContentItem * insert_item ( ContentItem *  item, ContentItem *  new_item, insert_type_t  insert_type  )

static

Definition at line 106 of file content.c.

{
    if(!item)
        return new_item;
 
    if(!new_item)
        return item;
 
    switch(insert_type) {
    case INSERT_NEXT:
        item->next = new_item;
        return new_item;
    case INSERT_CHILD:
        if(item->child) {
            ContentItem *iter = item->child;
            while(iter->next)
                iter = iter->next;
            iter->next = new_item;
        }else {
            item->child = new_item;
        }
        return item;
    }
 
    return NULL;
}

Referenced by parse_hhc(), and parse_ul().

parse_hhc()

static ContentItem * parse_hhc ( HHInfo *  info, IStream *  str, ContentItem *  hhc_root, insert_type_t *  insert_type  )

static

Definition at line 229 of file content.c.

{
    stream_t stream;
    strbuf_t node, node_name;
    ContentItem *ret = NULL, *prev = NULL;
 
    *insert_type = INSERT_NEXT;
 
    strbuf_init(&node);
    strbuf_init(&node_name);
 
    stream_init(&stream, str);
 
    while(next_node(&stream, &node)) {
        get_node_name(&node, &node_name);
 
        TRACE("%s\n", node.buf);
 
        if(!_strnicmp(node_name.buf, "ul", -1)) {
            ContentItem *item = parse_ul(info, &stream, hhc_root);
            prev = insert_item(prev, item, INSERT_CHILD);
            if(!ret)
                ret = prev;
            *insert_type = INSERT_CHILD;
        }
 
        strbuf_zero(&node);
    }
 
    strbuf_free(&node);
    strbuf_free(&node_name);
 
    return ret;
}

Referenced by InitContent(), and parse_sitemap_object().

parse_obj_node_param()

static void parse_obj_node_param ( ContentItem *  item, ContentItem *  hhc_root, const char *  text, UINT  code_page  )

static

Definition at line 53 of file content.c.

{
    const char *ptr;
    LPWSTR *param, merge;
    int len;
 
    ptr = get_attr(text, "name", &len);
    if(!ptr) {
        WARN("name attr not found\n");
        return;
    }
 
    if(!_strnicmp("name", ptr, len)) {
        param = &item->name;
    }else if(!_strnicmp("merge", ptr, len)) {
        param = &merge;
    }else if(!_strnicmp("local", ptr, len)) {
        param = &item->local;
    }else {
        WARN("unhandled param %s\n", debugstr_an(ptr, len));
        return;
    }
 
    ptr = get_attr(text, "value", &len);
    if(!ptr) {
        WARN("value attr not found\n");
        return;
    }
 
    /*
     * "merge" parameter data (referencing another CHM file) can be incorporated into the "local" parameter
     * by specifying the filename in the format:
     *  MS-ITS:file.chm::/local_path.htm
     */
    if(param == &item->local && strstr(ptr, "::"))
    {
        const char *local = strstr(ptr, "::")+2;
        int local_len = len-(local-ptr);
 
        item->local = decode_html(local, local_len, code_page);
        param = &merge;
    }
 
    *param = decode_html(ptr, len, code_page);
 
    if(param == &merge) {
        SetChmPath(&item->merge, hhc_root->merge.chm_file, merge);
        heap_free(merge);
    }
}

Referenced by parse_sitemap_object().

parse_sitemap_object()

static ContentItem * parse_sitemap_object ( HHInfo *  info, stream_t *  stream, ContentItem *  hhc_root, insert_type_t *  insert_type  )

static

Definition at line 133 of file content.c.

{
    strbuf_t node, node_name;
    ContentItem *item;
 
    *insert_type = INSERT_NEXT;
 
    strbuf_init(&node);
    strbuf_init(&node_name);
 
    item = heap_alloc_zero(sizeof(ContentItem));
 
    while(next_node(stream, &node)) {
        get_node_name(&node, &node_name);
 
        TRACE("%s\n", node.buf);
 
        if(!_strnicmp(node_name.buf, "/object", -1))
            break;
        if(!_strnicmp(node_name.buf, "param", -1))
            parse_obj_node_param(item, hhc_root, node.buf, info->pCHMInfo->codePage);
 
        strbuf_zero(&node);
    }
 
    strbuf_free(&node);
    strbuf_free(&node_name);
 
    if(item->merge.chm_index) {
        IStream *merge_stream;
 
        merge_stream = GetChmStream(info->pCHMInfo, item->merge.chm_file, &item->merge);
        if(merge_stream) {
            item->child = parse_hhc(info, merge_stream, hhc_root, insert_type);
            IStream_Release(merge_stream);
        }else {
            WARN("Could not get %s::%s stream\n", debugstr_w(item->merge.chm_file),
                 debugstr_w(item->merge.chm_file));
 
            if(!item->name) {
                free_content_item(item);
                item = NULL;
            }
        }
 
    }
 
    return item;
}

Referenced by parse_ul().

parse_ul()

static ContentItem * parse_ul ( HHInfo *  info, stream_t *  stream, ContentItem *  hhc_root  )

static

Definition at line 184 of file content.c.

{
    strbuf_t node, node_name;
    ContentItem *ret = NULL, *prev = NULL, *new_item = NULL;
    insert_type_t it;
 
    strbuf_init(&node);
    strbuf_init(&node_name);
 
    while(next_node(stream, &node)) {
        get_node_name(&node, &node_name);
 
        TRACE("%s\n", node.buf);
 
        if(!_strnicmp(node_name.buf, "object", -1)) {
            const char *ptr;
            int len;
 
            static const char sz_text_sitemap[] = "text/sitemap";
 
            ptr = get_attr(node.buf, "type", &len);
 
            if(ptr && len == sizeof(sz_text_sitemap)-1
               && !memcmp(ptr, sz_text_sitemap, len)) {
                new_item = parse_sitemap_object(info, stream, hhc_root, &it);
                prev = insert_item(prev, new_item, it);
                if(!ret)
                    ret = prev;
            }
        }else if(!_strnicmp(node_name.buf, "ul", -1)) {
            new_item = parse_ul(info, stream, hhc_root);
            insert_item(prev, new_item, INSERT_CHILD);
        }else if(!_strnicmp(node_name.buf, "/ul", -1)) {
            break;
        }
 
        strbuf_zero(&node);
    }
 
    strbuf_free(&node);
    strbuf_free(&node_name);
 
    return ret;
}

Referenced by parse_hhc(), and parse_ul().

ReleaseContent()

void ReleaseContent

(

HHInfo *

info

)

Definition at line 325 of file content.c.

{
    free_content_item(info->content);
}

Referenced by ReleaseHelpViewer().

set_item_parents()

static void set_item_parents ( ContentItem *  parent, ContentItem *  item  )

static

Definition at line 295 of file content.c.

{
    while(item) {
        item->parent = parent;
        set_item_parents(item, item->child);
        item = item->next;
    }
}

Referenced by InitContent(), and set_item_parents().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

htmlhelp

)