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webservices: Keep track of the parent-child relationship between nodes. 

Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Hans Leidekker 2015-11-10 10:46:36 +01:00 committed by Alexandre Julliard
parent 49638f1a7f
commit ff990d3426
1 changed files with 145 additions and 82 deletions
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159
dlls/webservices/reader.c
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@ -254,6 +254,8 @@ struct node
{
WS_XML_ELEMENT_NODE hdr;
struct list entry;
struct node *parent;
struct list children;
};
static struct node *alloc_node( WS_XML_NODE_TYPE type )
@ -263,6 +265,7 @@ static struct node *alloc_node( WS_XML_NODE_TYPE type )
if (!(ret = heap_alloc_zero( sizeof(*ret) ))) return NULL;
ret->hdr.node.nodeType = type;
list_init( &ret->entry );
list_init( &ret->children );
return ret;
}
@ -316,16 +319,18 @@ static void free_node( struct node *node )
heap_free( node );
}
static void destroy_nodes( struct list *list )
static void destroy_nodes( struct node *node )
{
struct list *ptr;
while ((ptr = list_head( list )))
if (!node) return;
while ((ptr = list_head( &node->children )))
{
struct node *node = LIST_ENTRY( ptr, struct node, entry );
list_remove( &node->entry );
free_node( node );
struct node *child = LIST_ENTRY( ptr, struct node, entry );
list_remove( &child->entry );
destroy_nodes( child );
}
free_node( node );
}
static const struct
@ -369,7 +374,7 @@ struct reader
ULONG read_pos;
const char *read_bufptr;
enum reader_state state;
struct list nodes;
struct node *root;
struct node *current;
WS_XML_READER_INPUT_TYPE input_type;
const char *input_data;
@ -417,18 +422,45 @@ static HRESULT get_reader_prop( struct reader *reader, WS_XML_READER_PROPERTY_ID
return S_OK;
}
static void read_insert_eof( struct reader *reader, struct node *eof )
{
if (!reader->root) reader->root = eof;
else
{
eof->parent = reader->root;
list_add_tail( &reader->root->children, &eof->entry );
}
reader->current = eof;
}
static void read_insert_bof( struct reader *reader, struct node *bof )
{
reader->root->parent = bof;
list_add_tail( &bof->children, &reader->root->entry );
reader->current = reader->root = bof;
}
static void read_insert_node( struct reader *reader, struct node *parent, struct node *node )
{
node->parent = parent;
if (node->parent == reader->root)
{
struct list *eof = list_tail( &reader->root->children );
list_add_before( eof, &node->entry );
}
else list_add_tail( &parent->children, &node->entry );
reader->current = node;
}
static HRESULT read_init_state( struct reader *reader )
{
struct node *node;
list_init( &reader->nodes );
destroy_nodes( reader->root );
reader->root = NULL;
if (!(node = alloc_node( WS_XML_NODE_TYPE_EOF ))) return E_OUTOFMEMORY;
list_add_tail( &reader->nodes, &node->entry );
reader->current = node;
read_insert_eof( reader, node );
reader->state = READER_STATE_INITIAL;
reader->read_size = 0;
reader->read_pos = 0;
reader->read_bufptr = NULL;
return S_OK;
}
@ -486,7 +518,7 @@ void WINAPI WsFreeReader( WS_XML_READER *handle )
TRACE( "%p\n", handle );
if (!reader) return;
destroy_nodes( &reader->nodes );
destroy_nodes( reader->root );
heap_free( reader );
}
@ -848,7 +880,8 @@ static HRESULT read_element( struct reader *reader )
if (read_end_of_data( reader ))
{
reader->current = LIST_ENTRY( list_tail( &reader->nodes ), struct node, entry );
struct list *eof = list_tail( &reader->root->children );
reader->current = LIST_ENTRY( eof, struct node, entry );
reader->state = READER_STATE_EOF;
return S_OK;
}
@ -893,11 +926,11 @@ static HRESULT read_element( struct reader *reader )
hr = WS_E_INVALID_FORMAT;
goto error;
}
read_skip( reader, 1 );
list_add_after( &reader->current->entry, &node->entry );
reader->current = node;
read_insert_node( reader, reader->current, node );
read_skip( reader, 1 );
reader->state = READER_STATE_STARTELEMENT;
return S_OK;
error:
@ -932,8 +965,7 @@ static HRESULT read_text( struct reader *reader )
}
text->text = (WS_XML_TEXT *)utf8;
list_add_after( &reader->current->entry, &node->entry );
reader->current = node;
read_insert_node( reader, reader->current, node );
reader->state = READER_STATE_TEXT;
return S_OK;
}
@ -951,10 +983,9 @@ static HRESULT read_to_startelement( struct reader *reader, BOOL *found )
switch (reader->state)
{
case READER_STATE_INITIAL:
{
if ((hr = read_xmldecl( reader )) != S_OK) return hr;
break;
}
case READER_STATE_STARTELEMENT:
if (found) *found = TRUE;
return S_OK;
@ -975,16 +1006,48 @@ static HRESULT read_to_startelement( struct reader *reader, BOOL *found )
return hr;
}
static BOOL cmp_localname( const char *name1, ULONG len1, const char *name2, ULONG len2 )
{
ULONG i;
if (len1 != len2) return FALSE;
for (i = 0; i < len1; i++) { if (toupper( name1[i] ) != toupper( name2[i] )) return FALSE; }
return TRUE;
}
static struct node *find_parent_element( struct node *node, const char *localname, ULONG len )
{
struct node *parent;
WS_XML_STRING *name;
for (parent = node; parent; parent = parent->parent)
{
if (parent->hdr.node.nodeType != WS_XML_NODE_TYPE_ELEMENT) continue;
name = ((WS_XML_ELEMENT_NODE *)parent)->localName;
if (!cmp_localname( (const char *)name->bytes, name->length, localname, len )) continue;
return parent;
}
return NULL;
}
static HRESULT read_endelement( struct reader *reader )
{
struct node *node;
unsigned int ch, skip;
struct node *node, *parent;
unsigned int len = 0, ch, skip;
const char *start;
if (reader->state != READER_STATE_TEXT) return WS_E_INVALID_FORMAT;
switch (reader->state)
{
case READER_STATE_TEXT:
case READER_STATE_STARTELEMENT:
break;
default:
return WS_E_INVALID_FORMAT;
}
if (read_cmp( reader, "</", 2 )) return WS_E_INVALID_FORMAT;
read_skip( reader, 2 );
start = read_current_ptr( reader );
for (;;)
{
if (!(ch = read_utf8_char( reader, &skip ))) return WS_E_INVALID_FORMAT;
@ -995,11 +1058,13 @@ static HRESULT read_endelement( struct reader *reader )
}
if (!read_isnamechar( ch )) return WS_E_INVALID_FORMAT;
read_skip( reader, skip );
len += skip;
}
if (!(parent = find_parent_element( reader->current, start, len )))
return WS_E_INVALID_FORMAT;
if (!(node = alloc_node( WS_XML_NODE_TYPE_END_ELEMENT ))) return E_OUTOFMEMORY;
list_add_after( &reader->current->entry, &node->entry );
reader->current = node;
read_insert_node( reader, parent, node );
reader->state = READER_STATE_ENDELEMENT;
return S_OK;
}
@ -1037,8 +1102,7 @@ static HRESULT read_comment( struct reader *reader )
memcpy( comment->value.bytes, start, len );
comment->value.length = len;
list_add_after( &reader->current->entry, &node->entry );
reader->current = node;
read_insert_node( reader, reader->current, node );
reader->state = READER_STATE_COMMENT;
return S_OK;
}
@ -1051,7 +1115,8 @@ static HRESULT read_node( struct reader *reader )
{
if (read_end_of_data( reader ))
{
reader->current = LIST_ENTRY( list_tail( &reader->nodes ), struct node, entry );
struct list *eof = list_tail( &reader->root->children );
reader->current = LIST_ENTRY( eof, struct node, entry );
reader->state = READER_STATE_EOF;
return S_OK;
}
@ -1447,6 +1512,17 @@ static WS_CHARSET detect_charset( const unsigned char *data, ULONG size, ULONG *
return ret;
}
static void set_input_buffer( struct reader *reader, const char *data, ULONG size )
{
reader->input_type = WS_XML_READER_INPUT_TYPE_BUFFER;
reader->input_data = data;
reader->input_size = size;
reader->read_size = reader->input_size;
reader->read_pos = 0;
reader->read_bufptr = reader->input_data;
}
/**************************************************************************
* WsSetInput [webservices.@]
*/
@ -1470,13 +1546,8 @@ HRESULT WINAPI WsSetInput( WS_XML_READER *handle, const WS_XML_READER_ENCODING *
if (hr != S_OK) return hr;
}
destroy_nodes( &reader->nodes );
if ((hr = read_init_state( reader )) != S_OK) return hr;
if (!(node = alloc_node( WS_XML_NODE_TYPE_BOF ))) return E_OUTOFMEMORY;
list_add_head( &reader->nodes, &node->entry );
reader->current = node;
switch (encoding->encodingType)
{
case WS_XML_READER_ENCODING_TYPE_TEXT:
@ -1507,11 +1578,7 @@ HRESULT WINAPI WsSetInput( WS_XML_READER *handle, const WS_XML_READER_ENCODING *
case WS_XML_READER_INPUT_TYPE_BUFFER:
{
WS_XML_READER_BUFFER_INPUT *buf = (WS_XML_READER_BUFFER_INPUT *)input;
reader->input_type = WS_XML_READER_INPUT_TYPE_BUFFER;
reader->input_data = (const char *)buf->encodedData + offset;
reader->input_size = buf->encodedDataSize - offset;
reader->read_bufptr = reader->input_data;
set_input_buffer( reader, (const char *)buf->encodedData + offset, buf->encodedDataSize - offset );
break;
}
default:
@ -1519,6 +1586,8 @@ HRESULT WINAPI WsSetInput( WS_XML_READER *handle, const WS_XML_READER_ENCODING *
return E_NOTIMPL;
}
if (!(node = alloc_node( WS_XML_NODE_TYPE_BOF ))) return E_OUTOFMEMORY;
read_insert_bof( reader, node );
return S_OK;
}
@ -1547,21 +1616,15 @@ HRESULT WINAPI WsSetInputToBuffer( WS_XML_READER *handle, WS_XML_BUFFER *buffer,
if (hr != S_OK) return hr;
}
destroy_nodes( &reader->nodes );
if ((hr = read_init_state( reader )) != S_OK) return hr;
if (!(node = alloc_node( WS_XML_NODE_TYPE_BOF ))) return E_OUTOFMEMORY;
list_add_head( &reader->nodes, &node->entry );
reader->current = node;
charset = detect_charset( xmlbuf->ptr, xmlbuf->size, &offset );
hr = set_reader_prop( reader, WS_XML_READER_PROPERTY_CHARSET, &charset, sizeof(charset) );
if (hr != S_OK) return hr;
reader->input_type = WS_XML_READER_INPUT_TYPE_BUFFER;
reader->input_data = (const char *)xmlbuf->ptr + offset;
reader->input_size = xmlbuf->size - offset;
reader->read_bufptr = reader->input_data;
set_input_buffer( reader, (const char *)xmlbuf->ptr + offset, xmlbuf->size - offset );
if (!(node = alloc_node( WS_XML_NODE_TYPE_BOF ))) return E_OUTOFMEMORY;
read_insert_bof( reader, node );
return S_OK;
}