dbertoni 01/09/28 08:19:13
Added: c/samples/SimpleXPathCAPI foo.xml SimpleXPathCAPI.c
SimpleXPathCAPI.dsp
Log:
Initial revision.
Revision Changes Path
1.1 xml-xalan/c/samples/SimpleXPathCAPI/foo.xml
Index: foo.xml
===================================================================
<?xml version="1.0"?>
<doc>
<name first="David" last="Marston"/>
<name first="David" last="Bertoni"/>
<name first="Donald" last="Leslie"/>
<name first="Emily" last="Farmer"/>
<name first="Myriam" last="Midy"/>
<name first="Paul" last="Dick"/>
<name first="Scott" last="Boag"/>
<name first="Shane" last="Curcuru"/>
<name first="Joseph" last="Kesselman"/>
<name first="Stephen" last="Auriemma"/>
</doc>
1.1 xml-xalan/c/samples/SimpleXPathCAPI/SimpleXPathCAPI.c
Index: SimpleXPathCAPI.c
===================================================================
// Base header file. Must be first.
#include <XPathCAPI/XPathCAPI.h>
#include <assert.h>
#include <malloc.h>
#include <stdio.h>
int
CreateXPath(
XalanXPathEvaluatorHandle theXalanHandle,
const char*
theXPathExpression,
XalanXPathHandle* theXPathHandle)
{
int theResult = 0;
assert(theXalanHandle);
assert(theXPathHandle);
theResult = XalanCreateXPath(theXalanHandle, theXPathExpression,
"foo-8", theXPathHandle);
if (theResult != XALAN_XPATH_API_SUCCESS)
{
fprintf(stderr, "Error creating XPath. Error code was %d.\n",
theResult);
}
return theResult;
}
int
DestroyXPath(
XalanXPathEvaluatorHandle theXalanHandle,
XalanXPathHandle theXPathHandle)
{
int theResult = 0;
theResult = XalanDestroyXPath(theXalanHandle, theXPathHandle);
if (theResult != XALAN_XPATH_API_SUCCESS)
{
fprintf(stderr, "Error creating XPath. Error code was %d.\n",
theResult);
}
return theResult;
}
char*
ReadFile(const char* theXMLFileName)
{
char* theBuffer = 0;
FILE* theFile = fopen(theXMLFileName, "rb");
if (theFile == 0)
{
fprintf(stderr, "Unable to open input file %s\n",
theXMLFileName);
}
else
{
fseek(theFile, 0, SEEK_END);
{
const int theSize = ftell(theFile);
if (theSize == -1)
{
fprintf(stderr, "Unable to determine the size
of the input file\n");
}
else
{
fseek(theFile, SEEK_SET, 0);
theBuffer = malloc(theSize + 1);
if (theBuffer == 0)
{
fprintf(stderr, "Unable to allocate
enough memory. The input file size is %d\n", theSize);
}
else
{
fread(theBuffer, 1, theSize, theFile);
theBuffer[theSize] = '\0';
}
}
}
}
return theBuffer;
}
int
EvaluateXPath(
XalanXPathEvaluatorHandle theXalanHandle,
const char*
theXMLFileName,
const char*
theXPathExpression,
int*
theBoolean)
{
XalanXPathHandle theXPathHandle;
int theResult =
CreateXPath(theXalanHandle, theXPathExpression, &theXPathHandle);
if (theResult == XALAN_XPATH_API_SUCCESS)
{
char* theBuffer = ReadFile(theXMLFileName);
if (theBuffer != NULL)
{
theResult = XalanEvaluateXPathAsBoolean(theXalanHandle,
theXPathHandle, theBuffer, theBoolean);
if (theResult != XALAN_XPATH_API_SUCCESS)
{
fprintf(stderr, "Unable to evaluate XPath
expression. Error code was %d.\n", theResult);
}
free(theBuffer);
}
DestroyXPath(theXalanHandle, theXPathHandle);
}
return theResult;
}
int
main(
int argc,
const char* argv[])
{
int theResult = 0;
if (argc != 3)
{
fprintf(stderr, "Usage: SimpleXPathAPI XMLFilePath
XPathExpression\n");
theResult = -1;
}
else
{
theResult = XalanXPathAPIInitialize();
if (theResult != XALAN_XPATH_API_SUCCESS)
{
fprintf(stderr, "Unable to initialize the API. Error
code was %d.\n", theResult);
}
else
{
XalanXPathEvaluatorHandle theXalanHandle;
theResult = XalanCreateXPathEvaluator(&theXalanHandle);
if (theResult != XALAN_XPATH_API_SUCCESS)
{
fprintf(stderr, "Error creating evaluator.
Error code was %d.\n", theResult);
}
else
{
int theBoolean = 0;
theResult = EvaluateXPath(theXalanHandle,
argv[1], argv[2], &theBoolean);
if (theResult == XALAN_XPATH_API_SUCCESS)
{
fprintf(stdout, "The result of the
expression was '%s'.", theBoolean == 0 ? "false" : "true");
}
theResult =
XalanDestroyXPathEvaluator(theXalanHandle);
if (theResult != XALAN_XPATH_API_SUCCESS)
{
fprintf(stderr, "Error destroying
evaluator. Error code was %d.\n", theResult);
}
}
theResult = XalanXPathAPITerminate();
if (theResult != XALAN_XPATH_API_SUCCESS)
{
fprintf(stderr, "Error terminating the API.
Error code was %d.\n", theResult);
}
}
}
return theResult;
};
1.1 xml-xalan/c/samples/SimpleXPathCAPI/SimpleXPathCAPI.dsp
Index: SimpleXPathCAPI.dsp
===================================================================
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