mirror of
https://github.com/Unidata/netcdf-c.git
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164 lines
3.4 KiB
C++
164 lines
3.4 KiB
C++
/* Copyright 2018-2018 University Corporation for Atmospheric Research/Unidata. */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include "tinyxml2.h"
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#include "ncxml.h"
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#ifndef nulldup
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#define nulldup(s) ((s)?strdup(s):NULL)
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#endif
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using namespace tinyxml2;
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static int ncxml_initialized = 0;
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void
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ncxml_initialize(void)
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{
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ncxml_initialized = 1;
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}
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void
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ncxml_finalize(void)
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{
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ncxml_initialized = 0;
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}
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ncxml_doc_t
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ncxml_parse(char* contents, size_t len)
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{
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XMLError err = XML_SUCCESS;
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XMLDocument* doc = new XMLDocument(); /* the resulting document tree */
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doc->Parse(contents,len);
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if((err = doc->ErrorID()))
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return NULL;
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return (ncxml_doc_t)doc;
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}
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void
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ncxml_free(ncxml_doc_t doc0)
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{
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XMLDocument* doc = (XMLDocument*)doc0;
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delete doc;
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}
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ncxml_t
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ncxml_root(ncxml_doc_t doc0)
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{
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XMLDocument* doc = (XMLDocument*)doc0;
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return (ncxml_t)doc->RootElement();
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}
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/* Element name */
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const char*
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ncxml_name(ncxml_t xml0)
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{
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XMLNode* xml = (XMLNode*)xml0;
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XMLElement* e = (xml?xml->ToElement():NULL);
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return (e?e->Name():NULL);
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}
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char*
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ncxml_attr(ncxml_t xml0, const char* key)
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{
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XMLNode* n = (XMLNode*)xml0;
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XMLElement* xml = (n?n->ToElement():NULL);
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const char* value = NULL;
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char* s = NULL;
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value = xml->Attribute(key);
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s = nulldup((char*)value);
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return s;
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}
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/* First child by name */
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ncxml_t
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ncxml_child(ncxml_t xml0, const char* name)
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{
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XMLNode* n = (XMLNode*)xml0;
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XMLElement* xml = (n?n->ToElement():NULL);
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XMLNode* child = NULL;
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child = xml->FirstChildElement(name);
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return (child?(ncxml_t)child:NULL);
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}
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ncxml_t
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ncxml_next(ncxml_t xml0, const char* name)
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{
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XMLNode* n = (XMLNode*)xml0;
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XMLElement* xml = (n?n->ToElement():NULL);
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XMLNode* next = NULL;
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next = xml->NextSiblingElement(name);
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return (next?(ncxml_t)next:NULL);
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}
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char*
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ncxml_text(ncxml_t xml0)
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{
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XMLNode* n = (XMLNode*)xml0;
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XMLElement* xml = (n?n->ToElement():NULL);
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const char* txt = NULL;
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char* s = NULL;
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if(xml == NULL) return NULL;
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txt = xml->GetText();
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s = nulldup((char*)txt);
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return s;
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}
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/* Nameless versions of child and next */
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ncxml_t
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ncxml_child_first(ncxml_t xml0)
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{
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XMLNode* n = (XMLNode*)xml0;
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XMLElement* xml = (n?n->ToElement():NULL);
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XMLNode* child = NULL;
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if(xml == NULL) return NULL;
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child = xml->FirstChild();
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return (child?(ncxml_t)child:NULL);
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}
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ncxml_t
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ncxml_child_next(ncxml_t xml0)
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{
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XMLNode* n = (XMLNode*)xml0;
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XMLElement* xml = (n?n->ToElement():NULL);
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XMLNode* child = NULL;
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if(xml == NULL) return NULL;
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child = xml->NextSiblingElement();
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return (child?(ncxml_t)child:NULL);
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}
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int
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ncxml_attr_pairs(ncxml_t xml0, char*** pairsp)
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{
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XMLNode* n = (XMLNode*)xml0;
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XMLElement* xml = (n?n->ToElement():NULL);
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const XMLAttribute* attr = NULL;
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int i,count = 0;
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char** pairs = NULL;
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if(xml == NULL) return 0;
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/* First count */
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for(attr=xml->FirstAttribute();attr;attr=attr->Next()) count++;
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/* Allocate */
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pairs = (char**)malloc(sizeof(char*)*((2*count)+1));
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if(pairs == NULL) return 0;
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/* Collect */
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for(i=0,attr=xml->FirstAttribute();attr;i+=2,attr=attr->Next()) {
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const char* value;
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pairs[i] = nulldup((char*)attr->Name());
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value = attr->Value();
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pairs[i+1] = nulldup((char*)value);
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}
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pairs[2*count] = NULL;
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if(pairsp) *pairsp = pairs;
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return 1;
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}
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