cmXml.h/c : Added cmXmlSearch() functions.
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kevin
parent
dbd3da490e
commit
59bd46a15f
204
cmXml.c
204
cmXml.c
@ -11,9 +11,10 @@
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#include "cmLinkedHeap.h"
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#include "cmFile.h"
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#include "cmXml.h"
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#include "cmText.h"
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/*
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To do:
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To Do:
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1) Escape node data strings and attribute values.
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2) Attribute values must be quoted by they may be quoted with either single or double quotes.
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3) Consider not buffering the XML file and reading directly from the file.
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@ -131,38 +132,35 @@ cmXmlNode_t* _cmXmlNodeAlloc( cmXml_t* p, unsigned flags, const cmChar_t* label,
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else
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{
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cmXmlNode_t* n0p = NULL;
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cmXmlNode_t* n1p = p->stack->children;
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cmXmlNode_t* n1p = p->stack->children;
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for(; n1p != NULL; n1p=n1p->sibling )
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n0p = n1p;
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for(; n1p != NULL; n1p=n1p->sibling )
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n0p = n1p;
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n0p->sibling = np;
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n0p->sibling = np;
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}
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}
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// all new nodes are put on the top of the stack
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p->stack = np;
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// all nodes must have a valid 'type' flag
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if( (flags & kTypeXmlFlags) == 0 )
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{
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_cmXmlSyntaxError(p);
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return NULL;
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}
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p->stack = np;
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// if this is the root node
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if( cmIsFlag(flags,kRootXmlFl) )
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p->root = np;
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else
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{
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if( cmIsFlag(flags,kDeclXmlFl) )
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{
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}
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else
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{
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if( cmIsFlag(flags,kDoctypeXmlFl ) )
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p->doctype = np;
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else
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{
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if( !cmIsFlag(flags,kNormalXmlFl ) )
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{
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_cmXmlSyntaxError(p);
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return NULL;
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}
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}
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}
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assert( p->root == NULL );
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p->root = np;
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}
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// if this is the 'doctype' node
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if( cmIsFlag(flags,kDoctypeXmlFl ) )
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p->doctype = np;
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if( label != NULL )
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np->label = cmLhAllocStrN(p->heapH,label,labelN);
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@ -674,8 +672,8 @@ cmXmlRC_t _cmXmlReadNode( cmXml_t* p, cmXmlNode_t* parent )
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cmXmlRC_t cmXmlParse( cmXmlH_t h, const cmChar_t* fn )
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{
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cmXmlRC_t rc = kOkXmlRC;
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cmXml_t* p = _cmXmlHandleToPtr(h);
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cmXmlRC_t rc = kOkXmlRC;
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cmXml_t* p = _cmXmlHandleToPtr(h);
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cmXmlNode_t* np = NULL;
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cmLHeapClear( p->heapH, false );
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@ -711,24 +709,35 @@ cmXmlRC_t cmXmlClear( cmXmlH_t h )
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return rc;
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}
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const cmXmlNode_t* cmXmlRoot( cmXmlH_t h )
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{
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cmXml_t* p = _cmXmlHandleToPtr(h);
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return p->root;
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}
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void _cmXmlPrintNode( const cmXmlNode_t* np, cmRpt_t* rpt, unsigned indent )
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{
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cmChar_t s[ indent + 1 ];
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memset(s,' ',indent);
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s[indent] = 0;
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// print indent and label
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cmRptPrintf(rpt,"%s%s: ",s,np->label);
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// print this node's attributes
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cmXmlAttr_t* ap = np->attr;
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for(; ap!=NULL; ap=ap->link)
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cmRptPrintf(rpt,"%s='%s' ",ap->label,ap->value);
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// print this nodes data string
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if( np->dataStr != NULL )
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cmRptPrintf(rpt," (%s)",np->dataStr);
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cmRptPrintf(rpt,"\n");
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// print this nodes children via recursion
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cmXmlNode_t* cnp = np->children;
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for(; cnp!=NULL; cnp=cnp->sibling )
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_cmXmlPrintNode(cnp,rpt,indent+2);
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@ -742,6 +751,132 @@ void cmXmlPrint( cmXmlH_t h , cmRpt_t* rpt )
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_cmXmlPrintNode(p->root,rpt,0);
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}
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const cmXmlNode_t* cmXmlSearch( const cmXmlNode_t* np, const cmChar_t* label, const cmXmlAttr_t* attrV, unsigned attrN )
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{
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// if the 'label' matches this node's label ...
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if( cmTextCmp(np->label,label) == 0 )
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{
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unsigned matchN = 0;
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const cmXmlAttr_t* a = np->attr;
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unsigned i;
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// ... then check for attribute matches also.
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for(i=0; i<attrN; ++i)
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{
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for(; a!=NULL; a=a->link)
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{
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if( cmTextCmp(a->label,attrV[i].label) == 0 && cmTextCmp(a->value,attrV[i].value) == 0 )
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{
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++matchN;
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// if a match was found for all attributes then the return np as the solution
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if( matchN == attrN )
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return np;
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break;
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}
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}
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}
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}
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// this node did not match - try each of this nodes children
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const cmXmlNode_t* cnp = np->children;
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for(; cnp!=NULL; cnp=cnp->sibling)
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if(( np = cmXmlSearch(cnp,label,attrV,attrN)) != NULL )
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return np; // a child matched
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// no match was found.
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return NULL;
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}
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const cmXmlNode_t* cmXmlSearchV( const cmXmlNode_t* np, const cmChar_t* label, const cmXmlAttr_t* attrV, unsigned attrN, va_list vl )
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{
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while( label != NULL )
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{
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if((np = cmXmlSearch(np,label,attrV,attrN)) == NULL )
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return NULL;
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if((label = va_arg(vl,cmChar_t*)) != NULL)
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{
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attrV = va_arg(vl,const cmXmlAttr_t*);
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attrN = va_arg(vl,unsigned);
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}
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}
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return np;
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}
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const cmXmlNode_t* cmXmlSearchN( const cmXmlNode_t* np, const cmChar_t* label, const cmXmlAttr_t* attrV, unsigned attrN, ... )
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{
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va_list vl;
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va_start(vl,attrN);
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np = cmXmlSearchV(np,label,attrV,attrN,vl);
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va_end(vl);
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return np;
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}
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cmXmlRC_t cmXmlGetInt( const cmXmlNode_t* np, int* retRef, const cmChar_t* label, const cmXmlAttr_t* attrV, unsigned attrN, ... )
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{
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cmXmlRC_t rc = kNodeNotFoundXmlRC;
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va_list vl;
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va_start(vl,attrN);
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// find the requsted node
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if((np = cmXmlSearchV(np,label,attrV,attrN,vl)) != NULL )
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{
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// if the returned node does not have a data string
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if( np->dataStr == NULL )
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return kInvalidTypeXmlRC;
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errno = 0;
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// convert the string to an integer
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strtol(np->dataStr,NULL,10);
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if( errno != 0 )
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return kInvalidTypeXmlRC;
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rc = kOkXmlRC;
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}
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va_end(vl);
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return rc;
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}
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void _cmXmlPrintMeasure( const cmXmlNode_t* mnp )
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{
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}
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cmXmlRC_t _cmXmlPrintScore( cmXmlH_t h )
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{
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cmXmlRC_t rc = kOkXmlRC;
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const int sN = 32;
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cmChar_t s[sN+1];
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unsigned maxMeasNumb = 4;
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unsigned i;
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cmXml_t* p = _cmXmlHandleToPtr(h);
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for(i=0; i<=maxMeasNumb; ++i)
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{
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snprintf(s,sN,"%i",i);
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cmXmlAttr_t aV[] =
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{
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{ "number",s }
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};
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const cmXmlNode_t* np;
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if((np = cmXmlSearch(cmXmlRoot(h),"measure",aV,1)) == NULL )
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return cmErrMsg(&p->err,kTestFailXmlRC,"Missing measure '%i'.",i);
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}
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return rc;
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}
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cmXmlRC_t cmXmlTest( cmCtx_t* ctx, const cmChar_t* fn )
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{
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@ -754,7 +889,18 @@ cmXmlRC_t cmXmlTest( cmCtx_t* ctx, const cmChar_t* fn )
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if((rc = cmXmlParse(h,fn)) != kOkXmlRC )
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goto errLabel;
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cmXmlPrint(h,&ctx->rpt);
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cmXmlAttr_t aV[] =
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{
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{ "id","P1"}
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};
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if( cmXmlSearch(cmXmlRoot(h),"part",aV,1) == NULL )
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{
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cmErrMsg(&ctx->err,kTestFailXmlRC,"Search failed.");
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goto errLabel;
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}
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//cmXmlPrint(h,&ctx->rpt);
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errLabel:
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cmXmlFree(&h);
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19
cmXml.h
19
cmXml.h
@ -10,8 +10,10 @@ extern "C" {
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kOkXmlRC = cmOkRC,
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kMemAllocErrXmlRC,
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kLHeapXmlRC,
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kLexErrXmlRC,
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kSyntaxErrorXmlRC
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kSyntaxErrorXmlRC,
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kTestFailXmlRC,
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kInvalidTypeXmlRC,
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kNodeNotFoundXmlRC
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};
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typedef struct cmXmlAttr_str
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@ -27,6 +29,7 @@ extern "C" {
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kDeclXmlFl = 0x0002,
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kDoctypeXmlFl = 0x0004,
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kNormalXmlFl = 0x0008,
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kTypeXmlFlags = kRootXmlFl | kDeclXmlFl | kDoctypeXmlFl | kNormalXmlFl,
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kClosedXmlFl = 0x0010
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};
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@ -55,9 +58,15 @@ extern "C" {
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cmXmlRC_t cmXmlFree( cmXmlH_t* hh );
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bool cmXmlIsValid( cmXmlH_t h );
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cmXmlRC_t cmXmlParse( cmXmlH_t h, const cmChar_t* fn );
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cmXmlRC_t cmXmlClear( cmXmlH_t h );
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void cmXmlPrint( cmXmlH_t h , cmRpt_t* rpt );
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cmXmlRC_t cmXmlParse( cmXmlH_t h, const cmChar_t* fn );
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cmXmlRC_t cmXmlClear( cmXmlH_t h );
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const cmXmlNode_t* cmXmlRoot( cmXmlH_t h );
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void cmXmlPrint( cmXmlH_t h, cmRpt_t* rpt );
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const cmXmlNode_t* cmXmlSearch( const cmXmlNode_t* np, const cmChar_t* label, const cmXmlAttr_t* attrV, unsigned attrN );
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cmXmlRC_t cmXmlTest( cmCtx_t* ctx, const cmChar_t* fn );
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