testWriter.c

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Author : Daniel Veillard
Date : 2004-10-31 15:35:32
Hash : 05f9735b
Message : Fixed bug #153937, making sure the conversion functions return the number * encoding.c doc/examples/testWriter.c: Fixed bug #153937, making sure the conversion functions return the number of byte written. Had to fix one of the examples. Daniel

doc/examples/testWriter.c

/**
 * section: xmlWriter
 * synopsis: use various APIs for the xmlWriter
 * purpose: tests a number of APIs for the xmlWriter, especially
 *          the various methods to write to a filename, to a memory
 *          buffer, to a new document, or to a subtree. It shows how to
 *          do encoding string conversions too. The resulting
 *          documents are then serialized.
 * usage: testWriter
 * test: testWriter ; for i in 1 2 3 4 ; do diff writer.xml writer$$i.res ; done ; rm writer*.res
 * author: Alfred Mickautsch
 * copy: see Copyright for the status of this software.
 */
#include <stdio.h>
#include <string.h>
#include <libxml/encoding.h>
#include <libxml/xmlwriter.h>

#if defined(LIBXML_WRITER_ENABLED) && defined(LIBXML_OUTPUT_ENABLED)

#define MY_ENCODING "ISO-8859-1"

void testXmlwriterFilename(const char *uri);
void testXmlwriterMemory(const char *file);
void testXmlwriterDoc(const char *file);
void testXmlwriterTree(const char *file);
xmlChar *ConvertInput(const char *in, const char *encoding);

int
main(void)
{
    /*
     * this initialize the library and check potential ABI mismatches
     * between the version it was compiled for and the actual shared
     * library used.
     */
    LIBXML_TEST_VERSION

    /* first, the file version */
    testXmlwriterFilename("writer1.res");

    /* next, the memory version */
    testXmlwriterMemory("writer2.res");

    /* next, the DOM version */
    testXmlwriterDoc("writer3.res");

    /* next, the tree version */
    testXmlwriterTree("writer4.res");

    /*
     * Cleanup function for the XML library.
     */
    xmlCleanupParser();
    /*
     * this is to debug memory for regression tests
     */
    xmlMemoryDump();
    return 0;
}

/**
 * testXmlwriterFilename:
 * @uri: the output URI
 *
 * test the xmlWriter interface when writing to a new file
 */
void
testXmlwriterFilename(const char *uri)
{
    int rc;
    xmlTextWriterPtr writer;
    xmlChar *tmp;

    /* Create a new XmlWriter for uri, with no compression. */
    writer = xmlNewTextWriterFilename(uri, 0);
    if (writer == NULL) {
        printf("testXmlwriterFilename: Error creating the xml writer\n");
        return;
    }

    /* Start the document with the xml default for the version,
     * encoding ISO 8859-1 and the default for the standalone
     * declaration. */
    rc = xmlTextWriterStartDocument(writer, NULL, MY_ENCODING, NULL);
    if (rc < 0) {
        printf
            ("testXmlwriterFilename: Error at xmlTextWriterStartDocument\n");
        return;
    }

    /* Start an element named "EXAMPLE". Since thist is the first
     * element, this will be the root element of the document. */
    rc = xmlTextWriterStartElement(writer, BAD_CAST "EXAMPLE");
    if (rc < 0) {
        printf
            ("testXmlwriterFilename: Error at xmlTextWriterStartElement\n");
        return;
    }

    /* Write a comment as child of EXAMPLE.
     * Please observe, that the input to the xmlTextWriter functions
     * HAS to be in UTF-8, even if the output XML is encoded
     * in iso-8859-1 */
    tmp = ConvertInput("This is a comment with special chars: <

kc3-lang/libxml2/doc/examples/testWriter.c

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