/*
* Copyright (c) 2000 - 2001 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
#include "cxml_internal.h"
#include <xml/cxml/nw_tinytree.h>
#include <xml/cxml/nw_dom_text.h>
#include <xml/cxml/nw_dom_document.h>
/*
* Returns
* NW_STAT_DOM_NODE_TYPE_ERR - not a text node
* NW_STAT_SUCCESS
*
*/
EXPORT_C NW_Status_t
NW_DOM_TextNode_getTextItemIterator(NW_DOM_TextNode_t *node,
NW_DOM_TextItemIterator_t *iterator)
{
NW_TinyTree_t *tiny_tree;
NW_ASSERT(node != NULL);
NW_ASSERT(iterator != NULL);
if ((NW_DOM_Node_getNodeType(node) != NW_DOM_TEXT_NODE)
&& (NW_DOM_Node_getNodeType(node) != NW_DOM_COMMENT_NODE)
&& (NW_DOM_Node_getNodeType(node) != NW_DOM_CDATA_SECTION_NODE)) {
return NW_STAT_DOM_NODE_TYPE_ERR;
}
tiny_tree = NW_TinyTree_Node_findTree(node);
NW_TinyDom_TextHandle_init(iterator,
NW_TinyDom_getParser(tiny_tree),
NW_TinyTree_Node_getSourceOffset(node));
return NW_STAT_SUCCESS;
}
/*
* Returns
* NW_STAT_DOM_NODE_TYPE_ERR - not a text node
* NW_STAT_OUT_OF_MEMORY - unable to allocate memory for string storage
* NW_STAT_DOM_NO_STRING_RETURNED - If string storage is not assigned
* NW_STAT_SUCCESS
*
* MODIFIED valueString - the value of the node
*/
EXPORT_C NW_Status_t
NW_DOM_TextNode_getData(NW_DOM_TextNode_t *node,
NW_String_t *valueString)
{
NW_Status_t status;
NW_DOM_TextItemIterator_t iterator;
NW_String_t str;
NW_DOM_TextItem_t item;
NW_DOM_DocumentNode_t *docNode;
NW_Uint32 encoding;
NW_ASSERT(node != NULL);
NW_ASSERT(valueString != NULL);
docNode = NW_DOM_Node_getOwnerDocument(node);
encoding = NW_DOM_DocumentNode_getCharacterEncoding(docNode);
if (NW_DOM_Node_getNodeType(node) != NW_DOM_TEXT_NODE){
return NW_STAT_DOM_NODE_TYPE_ERR;
}
/* Initializes the handle with values*/
status = NW_DOM_TextNode_getTextItemIterator(node, &iterator);
if (status != NW_STAT_SUCCESS){
return status;
}
valueString->length = 0;
valueString->storage = NULL;
NW_String_setUserOwnsStorage(valueString);
while (NW_DOM_TextItemIterator_getNextTextItem(&iterator, &item)
== NW_STAT_WBXML_ITERATE_MORE){
status = NW_DOM_TextItem_toString(&item, &str, encoding);
if (status != NW_STAT_SUCCESS){
return status;
}
if ((valueString->length == 0) || (valueString->storage == NULL)){
status = NW_String_deepCopy(valueString, &str);
}
else{
status = NW_String_concatenate(valueString, &str, encoding);
}
if (status != NW_STAT_SUCCESS){
NW_String_deleteStorage(&str);
if (status == NW_STAT_OUT_OF_MEMORY)
{
return NW_STAT_OUT_OF_MEMORY;
}
else
{
return NW_STAT_DOM_NO_STRING_RETURNED;
}
}
}
NW_String_deleteStorage(&str);
return NW_STAT_SUCCESS;
}
/*
* This method creates a new TextNode and replaces the previous one
* Returns NW_STAT_BAD_INPUT_PARAM
* NW_STAT_SUCCESS
*/
EXPORT_C NW_Status_t
NW_DOM_TextNode_setDataFromTextItem(NW_DOM_TextNode_t** node,
NW_DOM_TextItem_t *val)
{
NW_DOM_Node_t *parent = NW_DOM_Node_getParentNode(*node);
NW_DOM_DocumentNode_t *doc = NW_DOM_Node_getOwnerDocument(*node);
NW_DOM_TextNode_t *newNode = NULL;
NW_Status_t status;
if ((node == NULL) || (val == NULL) || (parent == NULL) || (doc == NULL))
return NW_STAT_BAD_INPUT_PARAM;
newNode = NW_DOM_DocumentNode_createTextNodeWithTextItem(doc, val);
if (newNode == NULL)
return NW_STAT_BAD_INPUT_PARAM;
status = NW_DOM_Node_replaceChild(parent, newNode, *node);
if (status != NW_STAT_SUCCESS)
return status;
*node = newNode;
return NW_STAT_SUCCESS;
}
EXPORT_C NW_Status_t
NW_DOM_TextNode_addDataFromTextItem(NW_DOM_TextNode_t* node,
NW_DOM_TextItem_t *val)
{
NW_TinyTree_t* tinyTree;
NW_TinyDom_Tree_t* domTree;
NW_DOM_DocumentNode_t *docNode;
NW_Uint32 encoding;
if ((node == NULL) || (val == NULL))
return NW_STAT_BAD_INPUT_PARAM;
tinyTree = NW_TinyTree_Node_findTree(node);
docNode = NW_DOM_Node_getOwnerDocument(node);
if ((tinyTree == NULL) || (docNode == NULL)) {
return NW_STAT_FAILURE;
}
domTree = NW_TinyDom_getTree(tinyTree);
if (domTree == NULL) {
return NW_STAT_FAILURE;
}
encoding = NW_DOM_DocumentNode_getCharacterEncoding(docNode);
return NW_TinyDom_addDataFromTextItem(tinyTree, domTree, node,
val, encoding);
}
/*
* This method creates a new TextNode and replaces the previous one
* Returns
* Returns NW_STAT_BAD_INPUT_PARAM
* NW_STAT_SUCCESS
*/
EXPORT_C NW_Status_t
NW_DOM_TextNode_setData(NW_DOM_TextNode_t** node, NW_String_t *val)
{
NW_DOM_Node_t *parent = NW_DOM_Node_getParentNode(*node);
NW_DOM_DocumentNode_t *doc = NW_DOM_Node_getOwnerDocument(*node);
NW_DOM_TextNode_t *newNode = NULL;
NW_Status_t status;
if ((node == NULL) || (val == NULL) || (parent == NULL) || (doc == NULL))
return NW_STAT_BAD_INPUT_PARAM;
newNode = NW_DOM_DocumentNode_createTextNode(doc, val);
if (newNode == NULL){
/* TBD is this correct? maybe it is out-of-memory? */
return NW_STAT_BAD_INPUT_PARAM;
}
/* TBD replaceChild is buggy because it may return the child as the status! */
status = NW_DOM_Node_replaceChild(parent, newNode, *node);
if (status != NW_STAT_SUCCESS){
return status;
}
/* TBD isn't there a memory leak when the old child is not deleted? */
*node = newNode;
return NW_STAT_SUCCESS;
}
/**
* TextItem methods
**/
NW_DOM_TextItem_t *
NW_DOM_TextItem_new(void)
{
return (NW_DOM_TextItem_t *) NW_Mem_Malloc(sizeof (NW_DOM_TextItem_t));
}
/*
* Initializes a Text Item of type NW_DOM_TEXT_ITEM_STRING
* Returns NW_STAT_SUCCESS
*/
EXPORT_C NW_Status_t
NW_DOM_TextItem_initFromString (NW_DOM_TextItem_t *item,
NW_String_t * string)
{
NW_ASSERT(item != NULL);
NW_ASSERT(string != NULL);
item->type = NW_WBXML_ATTR_COMPONENT_STRING;
item->component.string = *string;
return NW_STAT_SUCCESS;
}
/**
* Initializes a Text Item of type NW_DOM_TEXT_ITEM_ENTITY
* Returns NW_STAT_SUCCESS
*/
EXPORT_C NW_Status_t
NW_DOM_TextItem_initFromEntity (NW_DOM_TextItem_t *item, NW_Uint32 entity)
{
NW_ASSERT(item != NULL);
item->type = NW_WBXML_ATTR_COMPONENT_ENTITY;
item->component.entity = entity;
return NW_STAT_SUCCESS;
}
/*
Initializes a Text Item of type NW_DOM_TEXT_ITEM_EXTENSION
Returns NW_STAT_SUCCESS or NW_STAT_FAILURE if args are not valid.
Makes a shallow copy of str.
*/
EXPORT_C NW_Status_t
NW_DOM_TextItem_initFromExtension (NW_DOM_TextItem_t *item,
NW_Uint16 token,
NW_String_t *str)
{
/* Text items and AttrVals are nearly the same thing. */
return NW_DOM_AttrVal_initFromExtension(item, token, str);
}
/*
Initializes a Text Item of type NW_DOM_TEXT_ITEM_EXTENSION for the
particular case of EXT_T_[0,1,2] where the associated integer value
is not a reference into the string table.
Returns NW_STAT_SUCCESS or NW_STAT_FAILURE if args are not valid.
*/
EXPORT_C NW_Status_t
NW_DOM_TextItem_initFromExtensionInt (NW_DOM_TextItem_t *item,
NW_Uint16 token,
NW_Uint32 x)
{
/* Text items and AttrVals are nearly the same thing. */
return NW_DOM_AttrVal_initFromExtensionInt(item, token, x);
}
/*
* Initializes a Text Item of type NW_DOM_TEXT_ITEM_OPAQUE
* Returns NW_STAT_SUCCESS
*/
EXPORT_C NW_Status_t
NW_DOM_TextItem_initFromOpaque (NW_DOM_TextItem_t *item,
NW_Uint32 length,
NW_Byte* data)
{
NW_ASSERT(item != NULL);
NW_ASSERT(data != NULL);
item->type = NW_WBXML_ATTR_COMPONENT_OPAQUE;
item->component.opaque.length = length;
item->component.opaque.data = data;
return NW_STAT_SUCCESS;
}
NW_Status_t
NW_DOM_TextItem_delete(NW_DOM_TextItem_t *textItem)
{
NW_ASSERT(textItem != NULL);
NW_Mem_Free(textItem);
return NW_STAT_SUCCESS;
}
/*
* Returns the type of Text Item
*/
EXPORT_C NW_DOM_TextItemType_t
NW_DOM_TextItem_getType(NW_DOM_TextItem_t *item)
{
NW_ASSERT(item != NULL);
switch(item->type)
{
case NW_WBXML_ATTR_COMPONENT_EXT:
return NW_DOM_TEXT_ITEM_EXTENSION;
case NW_WBXML_ATTR_COMPONENT_STRING:
return NW_DOM_TEXT_ITEM_STRING;
case NW_WBXML_ATTR_COMPONENT_ENTITY:
return NW_DOM_TEXT_ITEM_ENTITY;
case NW_WBXML_ATTR_COMPONENT_OPAQUE:
return NW_DOM_TEXT_ITEM_OPAQUE;
default:
return 0;
}
}
/*
* Sets the type of Text Item
*/
/* TBD This is a very dangerous function and should be made internal
use only (i.e., static)! */
NW_Status_t
NW_DOM_TextItem_setType(NW_DOM_TextItem_t *item,
NW_DOM_TextItemType_t type)
{
NW_ASSERT(item != NULL);
switch(type)
{
case NW_DOM_TEXT_ITEM_EXTENSION:
item->type = NW_WBXML_ATTR_COMPONENT_EXT;
break;
case NW_DOM_TEXT_ITEM_STRING:
item->type = NW_WBXML_ATTR_COMPONENT_STRING;
break;
case NW_DOM_TEXT_ITEM_OPAQUE:
item->type = NW_WBXML_ATTR_COMPONENT_OPAQUE;
break;
case NW_DOM_TEXT_ITEM_ENTITY:
item->type = NW_WBXML_ATTR_COMPONENT_ENTITY;
break;
default:
return NW_STAT_BAD_INPUT_PARAM;
}
return NW_STAT_SUCCESS;
}
/*
* Returns
* NW_STAT_WBXML_ERROR_CHARSET_UNSUPPORTED - if encoding is not supported
* NW_STAT_DOM_NO_STRING_RETURNED
* NW_STAT_SUCCESS
*
* MODIFIED - string - the String representation of item
*/
EXPORT_C NW_Status_t
NW_DOM_TextItem_toString(NW_DOM_TextItem_t *item,
NW_String_t *string,
NW_Uint32 encoding)
{
NW_Status_t status;
NW_ASSERT(item != NULL);
NW_ASSERT(string != NULL);
NW_String_initialize(string, NULL, 0);
if ((NW_String_charsetValid(encoding)) != NW_STAT_SUCCESS){
return NW_STAT_WBXML_ERROR_CHARSET_UNSUPPORTED;
}
switch (NW_DOM_TextItem_getType(item))
{
case NW_DOM_TEXT_ITEM_STRING:
{
NW_Byte *storage = item->component.string.storage;
status = NW_String_initialize(string, storage, encoding);
if(status == NW_STAT_SUCCESS){
return NW_STAT_SUCCESS;
}
else{
return NW_STAT_DOM_NO_STRING_RETURNED;
}
}
case NW_DOM_TEXT_ITEM_ENTITY:
status = NW_String_entityToString(item->component.entity,
string, encoding);
if(status == NW_STAT_SUCCESS){
return NW_STAT_SUCCESS;
}
else{
return NW_STAT_DOM_NO_STRING_RETURNED;
}
case NW_DOM_TEXT_ITEM_OPAQUE:
return NW_STAT_DOM_NO_STRING_RETURNED;
case NW_DOM_TEXT_ITEM_EXTENSION:
{
NW_Uint8 t; /* 8-bit token */
t = (NW_Uint8)(item->component.ext.token);
if ((t == NW_WBXML_EXT_0)
|| (t == NW_WBXML_EXT_1)
|| (t == NW_WBXML_EXT_2)) {
return NW_STAT_DOM_NO_STRING_RETURNED;
}
if ((item->component.ext.type
== NW_TINYDOM_EXTENSION_TYPE_EXT_T_INTEGER)
&& ((t == NW_WBXML_EXT_T_0)
|| (t == NW_WBXML_EXT_T_1)
|| (t == NW_WBXML_EXT_T_2))) {
return NW_STAT_DOM_NO_STRING_RETURNED;
}
if (item->component.ext.value.string.storage == NULL) {
return NW_STAT_DOM_NO_STRING_RETURNED;
}
/* struct assignment, shallow copy */
*string = item->component.ext.value.string;
return NW_STAT_SUCCESS;
}
default:
return NW_STAT_DOM_NO_STRING_RETURNED;
}
}
EXPORT_C NW_Uint32
NW_DOM_TextItem_getEntity(NW_DOM_TextItem_t *item)
{
NW_ASSERT(item != NULL);
if (NW_DOM_TextItem_getType(item) != NW_DOM_TEXT_ITEM_ENTITY){
return 0;
}
return item->component.entity;
}
/*
* If TextItem is of type NW_DOM_TEXT_ITEM_STRING returns NW_STAT_SUCCESS
* and modifies string.
*/
EXPORT_C NW_Status_t
NW_DOM_TextItem_getString(NW_DOM_TextItem_t *item,
NW_String_t *string)
{
NW_ASSERT(item != NULL);
NW_ASSERT(string != NULL);
if (NW_DOM_TextItem_getType(item) != NW_DOM_TEXT_ITEM_STRING){
return NW_STAT_BAD_INPUT_PARAM;
}
return NW_String_copy(string, &item->component.string);
}
EXPORT_C NW_Status_t
NW_DOM_TextItem_getExtensionToken(NW_DOM_TextItem_t* pItem,
NW_Uint16* pX)
{
/* Text items and AttrVals are nearly the same thing. */
return NW_DOM_AttrVal_getExtensionToken(pItem, pX);
}
/* If TextItem is of type NW_DOM_TEXT_ITEM_EXTENSION and extension
isn't EXT_T_[0,1,2] in non string table reference form, returns token
otherwise returns 0 and returns str->length = 0, str->storage = NULL.
All returned strings are shallow copies and the only proper way to
free these is to call NW_String_delete(pStr). */
EXPORT_C NW_Uint16
NW_DOM_TextItem_getExtension(NW_DOM_TextItem_t *item,
NW_String_t *str)
{
NW_Uint16 fqToken;
NW_Uint8 t; /* 8-bit token */
NW_ASSERT(item != NULL);
NW_ASSERT(str != NULL);
NW_String_initialize(str, NULL, 0);
if (NW_DOM_TextItem_getType(item) != NW_DOM_TEXT_ITEM_EXTENSION) {
return 0;
}
/* TBD If it could be gauranteed that the extension was constructed
correctly then it would be enough to just unconditionally
shallowCopy. */
fqToken = (NW_Uint16)(item->component.ext.token);
t = (NW_Uint8)fqToken;
if (((t == NW_WBXML_EXT_T_0)
|| (t == NW_WBXML_EXT_T_1)
|| (t == NW_WBXML_EXT_T_2))
&& (item->component.ext.type
== NW_TINYDOM_EXTENSION_TYPE_EXT_T_INTEGER)) {
/* This function is not for this case: use "getExtensionInt" form. */
return 0;
}
if ((t != NW_WBXML_EXT_0) && (t != NW_WBXML_EXT_1) && (t != NW_WBXML_EXT_2)) {
/* By fiat we do nothing with the single byte extension tokens. A
more correct version might be to callback to the client to
request a mapping to a client determined string.
In the normal case where EXT_T refers to the string table, both
the EXT_T and EXT_I forms are represented by an explicit pointer
to the string value since for the EXT_T form we don't have a
pointer to the string table anyway. */
NW_String_shallowCopy(str, &item->component.ext.value.string);
}
return fqToken;
}
EXPORT_C NW_Status_t
NW_DOM_TextItem_getExtensionInt(NW_DOM_TextItem_t* item,
NW_Uint32* x)
{
NW_Uint16 fqToken;
NW_Uint8 t; /* 8-bit token */
NW_ASSERT(item != NULL);
NW_ASSERT(x != NULL);
if ((NW_DOM_TextItem_getType(item) != NW_DOM_TEXT_ITEM_EXTENSION)
|| ((item->component.ext.type
!= NW_TINYDOM_EXTENSION_TYPE_EXT_T_INTEGER)))
{
return NW_STAT_FAILURE;
}
fqToken = (NW_Uint16)(item->component.ext.token);
t = (NW_Uint8)fqToken;
if ((t == NW_WBXML_EXT_T_0)
|| (t == NW_WBXML_EXT_T_1)
|| (t == NW_WBXML_EXT_T_2)) {
*x = item->component.ext.value.x;
return NW_STAT_SUCCESS;
}
return NW_STAT_FAILURE;
}
EXPORT_C NW_Byte *
NW_DOM_TextItem_getOpaque(NW_DOM_TextItem_t *item,
NW_Uint32 *opaqueLen)
{
NW_ASSERT(item != NULL);
if (NW_DOM_TextItem_getType(item) != NW_DOM_TEXT_ITEM_OPAQUE){
return NULL;
}
*opaqueLen = item->component.opaque.length;
return item->component.opaque.data;
}
/*
* TEXT NODE HANDLE
*/
NW_DOM_TextItemIterator_t *
NW_DOM_TextItemIterator_new(void)
{
return (NW_DOM_TextItemIterator_t *)
NW_Mem_Malloc(sizeof (NW_DOM_TextItemIterator_t));
}
NW_Status_t
NW_DOM_TextItemIterator_delete(NW_DOM_TextItemIterator_t *handle)
{
NW_ASSERT(handle != NULL);
NW_Mem_Free (handle);
return NW_STAT_SUCCESS;
}
/*
* Returns NW_STAT_WBXML_ITERATE_MORE
* NW_STAT_WBXML_ITERATE_DONE
*
* MODIFIED textItem
*/
EXPORT_C NW_Status_t
NW_DOM_TextItemIterator_getNextTextItem(NW_DOM_TextItemIterator_t *handle,
NW_DOM_TextItem_t *textItem)
{
NW_TinyTree_Offset_t offset;
NW_ASSERT(handle != NULL);
NW_ASSERT(textItem != NULL);
offset = NW_TinyDom_TextHandle_iterate(handle, textItem);
if (offset == 0){
return NW_STAT_WBXML_ITERATE_DONE;
}
return NW_STAT_WBXML_ITERATE_MORE;
}