namedNodeMap.cpp

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/**************************************************************************
 *
 * Copyright (c) 2000-2003 Intel Corporation
 * All rights reserved.
 * Copyright (c) 2012 France Telecom All rights reserved.
 * Copyright (C) 2022 GPL 3 and higher by Ingo Höft,  <Ingo@Hoeft-online.de>
 * Redistribution only with this Copyright remark. Last modified: 2025-05-29
 *
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#include <ixml/ixmlparser.hpp>
 
#include <cassert>
#include <cstring>
 
static unsigned long ixmlNamedNodeMap_getItemNumber(
    IXML_NamedNodeMap* nnMap,
    const char* name) {
    IXML_Node* tempNode;
    unsigned long returnItemNo = 0lu;
 
    assert(nnMap != NULL && name != NULL);
    if (nnMap == NULL || name == NULL) {
        return (unsigned long)IXML_INVALID_ITEM_NUMBER;
    }
 
    tempNode = nnMap->nodeItem;
    while (tempNode != NULL) {
        if (strcmp(name, tempNode->nodeName) == 0) {
            return returnItemNo;
        }
        tempNode = tempNode->nextSibling;
        returnItemNo++;
    }
 
    return (unsigned long)IXML_INVALID_ITEM_NUMBER;
}
 
void ixmlNamedNodeMap_init(IXML_NamedNodeMap* nnMap) {
    assert(nnMap != NULL);
 
    memset(nnMap, 0, sizeof(IXML_NamedNodeMap));
}
 
IXML_Node* ixmlNamedNodeMap_getNamedItem(IXML_NamedNodeMap* nnMap,
                                         const DOMString name) {
    unsigned long index;
 
    if (nnMap == NULL || name == NULL) {
        return NULL;
    }
 
    index = ixmlNamedNodeMap_getItemNumber(nnMap, name);
    if (index == (unsigned long)IXML_INVALID_ITEM_NUMBER) {
        return NULL;
    } else {
        return ixmlNamedNodeMap_item(nnMap, index);
    }
}
 
IXML_Node* ixmlNamedNodeMap_item(
    /* IN */ IXML_NamedNodeMap* nnMap,
    /* IN */ unsigned long index) {
    IXML_Node* tempNode;
    unsigned int i;
 
    if (nnMap == NULL) {
        return NULL;
    }
 
    if (index > ixmlNamedNodeMap_getLength(nnMap) - 1lu) {
        return NULL;
    }
 
    tempNode = nnMap->nodeItem;
    for (i = 0u; i < index && tempNode != NULL; ++i) {
        tempNode = tempNode->nextSibling;
    }
 
    return tempNode;
}
 
unsigned long ixmlNamedNodeMap_getLength(IXML_NamedNodeMap* nnMap) {
    IXML_Node* tempNode;
    unsigned long length = 0lu;
 
    if (nnMap != NULL) {
        tempNode = nnMap->nodeItem;
        for (length = 0lu; tempNode != NULL; ++length) {
            tempNode = tempNode->nextSibling;
        }
    }
 
    return length;
}
 
void ixmlNamedNodeMap_free(IXML_NamedNodeMap* nnMap) {
    IXML_NamedNodeMap* pNext;
 
    while (nnMap != NULL) {
        pNext = nnMap->next;
        free(nnMap);
        nnMap = pNext;
    }
}
 
int ixmlNamedNodeMap_addToNamedNodeMap(IXML_NamedNodeMap** nnMap,
                                       IXML_Node* add) {
    IXML_NamedNodeMap* traverse = NULL;
    IXML_NamedNodeMap* p = NULL;
    IXML_NamedNodeMap* newItem = NULL;
 
    if (add == NULL) {
        return IXML_SUCCESS;
    }
 
    if (*nnMap == NULL) {
        /* nodelist is empty */
        *nnMap = (IXML_NamedNodeMap*)malloc(sizeof(IXML_NamedNodeMap));
        if (*nnMap == NULL) {
            return IXML_INSUFFICIENT_MEMORY;
        }
        ixmlNamedNodeMap_init(*nnMap);
    }
    if ((*nnMap)->nodeItem == NULL) {
        (*nnMap)->nodeItem = add;
    } else {
        traverse = *nnMap;
        p = traverse;
        while (traverse != NULL) {
            p = traverse;
            traverse = traverse->next;
        }
        newItem = (IXML_NamedNodeMap*)malloc(sizeof(IXML_NamedNodeMap));
        if (newItem == NULL) {
            return IXML_INSUFFICIENT_MEMORY;
        }
        p->next = newItem;
        newItem->nodeItem = add;
        newItem->next = NULL;
    }
 
    return IXML_SUCCESS;
}