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Diffstat (limited to 'libxml2-2.9.10/doc/examples/testWriter.c')
| -rw-r--r-- | libxml2-2.9.10/doc/examples/testWriter.c | 1198 |
1 files changed, 1198 insertions, 0 deletions
diff --git a/libxml2-2.9.10/doc/examples/testWriter.c b/libxml2-2.9.10/doc/examples/testWriter.c new file mode 100644 index 0000000..82e8d3a --- /dev/null +++ b/libxml2-2.9.10/doc/examples/testWriter.c @@ -0,0 +1,1198 @@ +/** + * 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 $(srcdir)/writer.xml writer$$i.tmp || break ; done + * 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.tmp"); + + /* next, the memory version */ + testXmlwriterMemory("writer2.tmp"); + + /* next, the DOM version */ + testXmlwriterDoc("writer3.tmp"); + + /* next, the tree version */ + testXmlwriterTree("writer4.tmp"); + + /* + * 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: <\xE4\xF6\xFC>", + MY_ENCODING); + rc = xmlTextWriterWriteComment(writer, tmp); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteComment\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Start an element named "ORDER" as child of EXAMPLE. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ORDER"); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Add an attribute with name "version" and value "1.0" to ORDER. */ + rc = xmlTextWriterWriteAttribute(writer, BAD_CAST "version", + BAD_CAST "1.0"); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteAttribute\n"); + return; + } + + /* Add an attribute with name "xml:lang" and value "de" to ORDER. */ + rc = xmlTextWriterWriteAttribute(writer, BAD_CAST "xml:lang", + BAD_CAST "de"); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteAttribute\n"); + return; + } + + /* Write a comment as child of ORDER */ + tmp = ConvertInput("<\xE4\xF6\xFC>", MY_ENCODING); + rc = xmlTextWriterWriteFormatComment(writer, + "This is another comment with special chars: %s", + tmp); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteFormatComment\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Start an element named "HEADER" as child of ORDER. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "HEADER"); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "X_ORDER_ID" as child of HEADER. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "X_ORDER_ID", + "%010d", 53535); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Write an element named "CUSTOMER_ID" as child of HEADER. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "CUSTOMER_ID", + "%d", 1010); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Write an element named "NAME_1" as child of HEADER. */ + tmp = ConvertInput("M\xFCller", MY_ENCODING); + rc = xmlTextWriterWriteElement(writer, BAD_CAST "NAME_1", tmp); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteElement\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Write an element named "NAME_2" as child of HEADER. */ + tmp = ConvertInput("J\xF6rg", MY_ENCODING); + rc = xmlTextWriterWriteElement(writer, BAD_CAST "NAME_2", tmp); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteElement\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Close the element named HEADER. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Start an element named "ENTRIES" as child of ORDER. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ENTRIES"); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Start an element named "ENTRY" as child of ENTRIES. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ENTRY"); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "ARTICLE" as child of ENTRY. */ + rc = xmlTextWriterWriteElement(writer, BAD_CAST "ARTICLE", + BAD_CAST "<Test>"); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteElement\n"); + return; + } + + /* Write an element named "ENTRY_NO" as child of ENTRY. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "ENTRY_NO", "%d", + 10); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Close the element named ENTRY. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Start an element named "ENTRY" as child of ENTRIES. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ENTRY"); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "ARTICLE" as child of ENTRY. */ + rc = xmlTextWriterWriteElement(writer, BAD_CAST "ARTICLE", + BAD_CAST "<Test 2>"); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteElement\n"); + return; + } + + /* Write an element named "ENTRY_NO" as child of ENTRY. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "ENTRY_NO", "%d", + 20); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Close the element named ENTRY. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Close the element named ENTRIES. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Start an element named "FOOTER" as child of ORDER. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "FOOTER"); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "TEXT" as child of FOOTER. */ + rc = xmlTextWriterWriteElement(writer, BAD_CAST "TEXT", + BAD_CAST "This is a text."); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterWriteElement\n"); + return; + } + + /* Close the element named FOOTER. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Here we could close the elements ORDER and EXAMPLE using the + * function xmlTextWriterEndElement, but since we do not want to + * write any other elements, we simply call xmlTextWriterEndDocument, + * which will do all the work. */ + rc = xmlTextWriterEndDocument(writer); + if (rc < 0) { + printf + ("testXmlwriterFilename: Error at xmlTextWriterEndDocument\n"); + return; + } + + xmlFreeTextWriter(writer); +} + +/** + * testXmlwriterMemory: + * @file: the output file + * + * test the xmlWriter interface when writing to memory + */ +void +testXmlwriterMemory(const char *file) +{ + int rc; + xmlTextWriterPtr writer; + xmlBufferPtr buf; + xmlChar *tmp; + FILE *fp; + + /* Create a new XML buffer, to which the XML document will be + * written */ + buf = xmlBufferCreate(); + if (buf == NULL) { + printf("testXmlwriterMemory: Error creating the xml buffer\n"); + return; + } + + /* Create a new XmlWriter for memory, with no compression. + * Remark: there is no compression for this kind of xmlTextWriter */ + writer = xmlNewTextWriterMemory(buf, 0); + if (writer == NULL) { + printf("testXmlwriterMemory: 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 + ("testXmlwriterMemory: 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 + ("testXmlwriterMemory: 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: <\xE4\xF6\xFC>", + MY_ENCODING); + rc = xmlTextWriterWriteComment(writer, tmp); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteComment\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Start an element named "ORDER" as child of EXAMPLE. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ORDER"); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Add an attribute with name "version" and value "1.0" to ORDER. */ + rc = xmlTextWriterWriteAttribute(writer, BAD_CAST "version", + BAD_CAST "1.0"); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteAttribute\n"); + return; + } + + /* Add an attribute with name "xml:lang" and value "de" to ORDER. */ + rc = xmlTextWriterWriteAttribute(writer, BAD_CAST "xml:lang", + BAD_CAST "de"); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteAttribute\n"); + return; + } + + /* Write a comment as child of ORDER */ + tmp = ConvertInput("<\xE4\xF6\xFC>", MY_ENCODING); + rc = xmlTextWriterWriteFormatComment(writer, + "This is another comment with special chars: %s", + tmp); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteFormatComment\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Start an element named "HEADER" as child of ORDER. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "HEADER"); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "X_ORDER_ID" as child of HEADER. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "X_ORDER_ID", + "%010d", 53535); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Write an element named "CUSTOMER_ID" as child of HEADER. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "CUSTOMER_ID", + "%d", 1010); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Write an element named "NAME_1" as child of HEADER. */ + tmp = ConvertInput("M\xFCller", MY_ENCODING); + rc = xmlTextWriterWriteElement(writer, BAD_CAST "NAME_1", tmp); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteElement\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Write an element named "NAME_2" as child of HEADER. */ + tmp = ConvertInput("J\xF6rg", MY_ENCODING); + rc = xmlTextWriterWriteElement(writer, BAD_CAST "NAME_2", tmp); + + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteElement\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Close the element named HEADER. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterMemory: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Start an element named "ENTRIES" as child of ORDER. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ENTRIES"); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Start an element named "ENTRY" as child of ENTRIES. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ENTRY"); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "ARTICLE" as child of ENTRY. */ + rc = xmlTextWriterWriteElement(writer, BAD_CAST "ARTICLE", + BAD_CAST "<Test>"); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteElement\n"); + return; + } + + /* Write an element named "ENTRY_NO" as child of ENTRY. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "ENTRY_NO", "%d", + 10); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Close the element named ENTRY. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterMemory: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Start an element named "ENTRY" as child of ENTRIES. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ENTRY"); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "ARTICLE" as child of ENTRY. */ + rc = xmlTextWriterWriteElement(writer, BAD_CAST "ARTICLE", + BAD_CAST "<Test 2>"); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteElement\n"); + return; + } + + /* Write an element named "ENTRY_NO" as child of ENTRY. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "ENTRY_NO", "%d", + 20); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Close the element named ENTRY. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterMemory: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Close the element named ENTRIES. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterMemory: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Start an element named "FOOTER" as child of ORDER. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "FOOTER"); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "TEXT" as child of FOOTER. */ + rc = xmlTextWriterWriteElement(writer, BAD_CAST "TEXT", + BAD_CAST "This is a text."); + if (rc < 0) { + printf + ("testXmlwriterMemory: Error at xmlTextWriterWriteElement\n"); + return; + } + + /* Close the element named FOOTER. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterMemory: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Here we could close the elements ORDER and EXAMPLE using the + * function xmlTextWriterEndElement, but since we do not want to + * write any other elements, we simply call xmlTextWriterEndDocument, + * which will do all the work. */ + rc = xmlTextWriterEndDocument(writer); + if (rc < 0) { + printf("testXmlwriterMemory: Error at xmlTextWriterEndDocument\n"); + return; + } + + xmlFreeTextWriter(writer); + + fp = fopen(file, "w"); + if (fp == NULL) { + printf("testXmlwriterMemory: Error at fopen\n"); + return; + } + + fprintf(fp, "%s", (const char *) buf->content); + + fclose(fp); + + xmlBufferFree(buf); +} + +/** + * testXmlwriterDoc: + * @file: the output file + * + * test the xmlWriter interface when creating a new document + */ +void +testXmlwriterDoc(const char *file) +{ + int rc; + xmlTextWriterPtr writer; + xmlChar *tmp; + xmlDocPtr doc; + + + /* Create a new XmlWriter for DOM, with no compression. */ + writer = xmlNewTextWriterDoc(&doc, 0); + if (writer == NULL) { + printf("testXmlwriterDoc: 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("testXmlwriterDoc: 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("testXmlwriterDoc: 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: <\xE4\xF6\xFC>", + MY_ENCODING); + rc = xmlTextWriterWriteComment(writer, tmp); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterWriteComment\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Start an element named "ORDER" as child of EXAMPLE. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ORDER"); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Add an attribute with name "version" and value "1.0" to ORDER. */ + rc = xmlTextWriterWriteAttribute(writer, BAD_CAST "version", + BAD_CAST "1.0"); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterWriteAttribute\n"); + return; + } + + /* Add an attribute with name "xml:lang" and value "de" to ORDER. */ + rc = xmlTextWriterWriteAttribute(writer, BAD_CAST "xml:lang", + BAD_CAST "de"); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterWriteAttribute\n"); + return; + } + + /* Write a comment as child of ORDER */ + tmp = ConvertInput("<\xE4\xF6\xFC>", MY_ENCODING); + rc = xmlTextWriterWriteFormatComment(writer, + "This is another comment with special chars: %s", + tmp); + if (rc < 0) { + printf + ("testXmlwriterDoc: Error at xmlTextWriterWriteFormatComment\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Start an element named "HEADER" as child of ORDER. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "HEADER"); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "X_ORDER_ID" as child of HEADER. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "X_ORDER_ID", + "%010d", 53535); + if (rc < 0) { + printf + ("testXmlwriterDoc: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Write an element named "CUSTOMER_ID" as child of HEADER. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "CUSTOMER_ID", + "%d", 1010); + if (rc < 0) { + printf + ("testXmlwriterDoc: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Write an element named "NAME_1" as child of HEADER. */ + tmp = ConvertInput("M\xFCller", MY_ENCODING); + rc = xmlTextWriterWriteElement(writer, BAD_CAST "NAME_1", tmp); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterWriteElement\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Write an element named "NAME_2" as child of HEADER. */ + tmp = ConvertInput("J\xF6rg", MY_ENCODING); + rc = xmlTextWriterWriteElement(writer, BAD_CAST "NAME_2", tmp); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterWriteElement\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Close the element named HEADER. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Start an element named "ENTRIES" as child of ORDER. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ENTRIES"); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Start an element named "ENTRY" as child of ENTRIES. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ENTRY"); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "ARTICLE" as child of ENTRY. */ + rc = xmlTextWriterWriteElement(writer, BAD_CAST "ARTICLE", + BAD_CAST "<Test>"); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterWriteElement\n"); + return; + } + + /* Write an element named "ENTRY_NO" as child of ENTRY. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "ENTRY_NO", "%d", + 10); + if (rc < 0) { + printf + ("testXmlwriterDoc: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Close the element named ENTRY. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Start an element named "ENTRY" as child of ENTRIES. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ENTRY"); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "ARTICLE" as child of ENTRY. */ + rc = xmlTextWriterWriteElement(writer, BAD_CAST "ARTICLE", + BAD_CAST "<Test 2>"); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterWriteElement\n"); + return; + } + + /* Write an element named "ENTRY_NO" as child of ENTRY. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "ENTRY_NO", "%d", + 20); + if (rc < 0) { + printf + ("testXmlwriterDoc: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Close the element named ENTRY. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Close the element named ENTRIES. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Start an element named "FOOTER" as child of ORDER. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "FOOTER"); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "TEXT" as child of FOOTER. */ + rc = xmlTextWriterWriteElement(writer, BAD_CAST "TEXT", + BAD_CAST "This is a text."); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterWriteElement\n"); + return; + } + + /* Close the element named FOOTER. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Here we could close the elements ORDER and EXAMPLE using the + * function xmlTextWriterEndElement, but since we do not want to + * write any other elements, we simply call xmlTextWriterEndDocument, + * which will do all the work. */ + rc = xmlTextWriterEndDocument(writer); + if (rc < 0) { + printf("testXmlwriterDoc: Error at xmlTextWriterEndDocument\n"); + return; + } + + xmlFreeTextWriter(writer); + + xmlSaveFileEnc(file, doc, MY_ENCODING); + + xmlFreeDoc(doc); +} + +/** + * testXmlwriterTree: + * @file: the output file + * + * test the xmlWriter interface when writing to a subtree + */ +void +testXmlwriterTree(const char *file) +{ + int rc; + xmlTextWriterPtr writer; + xmlDocPtr doc; + xmlNodePtr node; + xmlChar *tmp; + + /* Create a new XML DOM tree, to which the XML document will be + * written */ + doc = xmlNewDoc(BAD_CAST XML_DEFAULT_VERSION); + if (doc == NULL) { + printf + ("testXmlwriterTree: Error creating the xml document tree\n"); + return; + } + + /* Create a new XML node, to which the XML document will be + * appended */ + node = xmlNewDocNode(doc, NULL, BAD_CAST "EXAMPLE", NULL); + if (node == NULL) { + printf("testXmlwriterTree: Error creating the xml node\n"); + return; + } + + /* Make ELEMENT the root node of the tree */ + xmlDocSetRootElement(doc, node); + + /* Create a new XmlWriter for DOM tree, with no compression. */ + writer = xmlNewTextWriterTree(doc, node, 0); + if (writer == NULL) { + printf("testXmlwriterTree: 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("testXmlwriterTree: Error at xmlTextWriterStartDocument\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: <\xE4\xF6\xFC>", + MY_ENCODING); + rc = xmlTextWriterWriteComment(writer, tmp); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterWriteComment\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Start an element named "ORDER" as child of EXAMPLE. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ORDER"); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Add an attribute with name "version" and value "1.0" to ORDER. */ + rc = xmlTextWriterWriteAttribute(writer, BAD_CAST "version", + BAD_CAST "1.0"); + if (rc < 0) { + printf + ("testXmlwriterTree: Error at xmlTextWriterWriteAttribute\n"); + return; + } + + /* Add an attribute with name "xml:lang" and value "de" to ORDER. */ + rc = xmlTextWriterWriteAttribute(writer, BAD_CAST "xml:lang", + BAD_CAST "de"); + if (rc < 0) { + printf + ("testXmlwriterTree: Error at xmlTextWriterWriteAttribute\n"); + return; + } + + /* Write a comment as child of ORDER */ + tmp = ConvertInput("<\xE4\xF6\xFC>", MY_ENCODING); + rc = xmlTextWriterWriteFormatComment(writer, + "This is another comment with special chars: %s", + tmp); + if (rc < 0) { + printf + ("testXmlwriterTree: Error at xmlTextWriterWriteFormatComment\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Start an element named "HEADER" as child of ORDER. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "HEADER"); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "X_ORDER_ID" as child of HEADER. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "X_ORDER_ID", + "%010d", 53535); + if (rc < 0) { + printf + ("testXmlwriterTree: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Write an element named "CUSTOMER_ID" as child of HEADER. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "CUSTOMER_ID", + "%d", 1010); + if (rc < 0) { + printf + ("testXmlwriterTree: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Write an element named "NAME_1" as child of HEADER. */ + tmp = ConvertInput("M\xFCller", MY_ENCODING); + rc = xmlTextWriterWriteElement(writer, BAD_CAST "NAME_1", tmp); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterWriteElement\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Write an element named "NAME_2" as child of HEADER. */ + tmp = ConvertInput("J\xF6rg", MY_ENCODING); + rc = xmlTextWriterWriteElement(writer, BAD_CAST "NAME_2", tmp); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterWriteElement\n"); + return; + } + if (tmp != NULL) xmlFree(tmp); + + /* Close the element named HEADER. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Start an element named "ENTRIES" as child of ORDER. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ENTRIES"); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Start an element named "ENTRY" as child of ENTRIES. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ENTRY"); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "ARTICLE" as child of ENTRY. */ + rc = xmlTextWriterWriteElement(writer, BAD_CAST "ARTICLE", + BAD_CAST "<Test>"); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterWriteElement\n"); + return; + } + + /* Write an element named "ENTRY_NO" as child of ENTRY. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "ENTRY_NO", "%d", + 10); + if (rc < 0) { + printf + ("testXmlwriterTree: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Close the element named ENTRY. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Start an element named "ENTRY" as child of ENTRIES. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "ENTRY"); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "ARTICLE" as child of ENTRY. */ + rc = xmlTextWriterWriteElement(writer, BAD_CAST "ARTICLE", + BAD_CAST "<Test 2>"); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterWriteElement\n"); + return; + } + + /* Write an element named "ENTRY_NO" as child of ENTRY. */ + rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "ENTRY_NO", "%d", + 20); + if (rc < 0) { + printf + ("testXmlwriterTree: Error at xmlTextWriterWriteFormatElement\n"); + return; + } + + /* Close the element named ENTRY. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Close the element named ENTRIES. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Start an element named "FOOTER" as child of ORDER. */ + rc = xmlTextWriterStartElement(writer, BAD_CAST "FOOTER"); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterStartElement\n"); + return; + } + + /* Write an element named "TEXT" as child of FOOTER. */ + rc = xmlTextWriterWriteElement(writer, BAD_CAST "TEXT", + BAD_CAST "This is a text."); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterWriteElement\n"); + return; + } + + /* Close the element named FOOTER. */ + rc = xmlTextWriterEndElement(writer); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterEndElement\n"); + return; + } + + /* Here we could close the elements ORDER and EXAMPLE using the + * function xmlTextWriterEndElement, but since we do not want to + * write any other elements, we simply call xmlTextWriterEndDocument, + * which will do all the work. */ + rc = xmlTextWriterEndDocument(writer); + if (rc < 0) { + printf("testXmlwriterTree: Error at xmlTextWriterEndDocument\n"); + return; + } + + xmlFreeTextWriter(writer); + + xmlSaveFileEnc(file, doc, MY_ENCODING); + + xmlFreeDoc(doc); +} + +/** + * ConvertInput: + * @in: string in a given encoding + * @encoding: the encoding used + * + * Converts @in into UTF-8 for processing with libxml2 APIs + * + * Returns the converted UTF-8 string, or NULL in case of error. + */ +xmlChar * +ConvertInput(const char *in, const char *encoding) +{ + xmlChar *out; + int ret; + int size; + int out_size; + int temp; + xmlCharEncodingHandlerPtr handler; + + if (in == 0) + return 0; + + handler = xmlFindCharEncodingHandler(encoding); + + if (!handler) { + printf("ConvertInput: no encoding handler found for '%s'\n", + encoding ? encoding : ""); + return 0; + } + + size = (int) strlen(in) + 1; + out_size = size * 2 - 1; + out = (unsigned char *) xmlMalloc((size_t) out_size); + + if (out != 0) { + temp = size - 1; + ret = handler->input(out, &out_size, (const xmlChar *) in, &temp); + if ((ret < 0) || (temp - size + 1)) { + if (ret < 0) { + printf("ConvertInput: conversion wasn't successful.\n"); + } else { + printf + ("ConvertInput: conversion wasn't successful. converted: %i octets.\n", + temp); + } + + xmlFree(out); + out = 0; + } else { + out = (unsigned char *) xmlRealloc(out, out_size + 1); + out[out_size] = 0; /*null terminating out */ + } + } else { + printf("ConvertInput: no mem\n"); + } + + return out; +} + +#else +int main(void) { + fprintf(stderr, "Writer or output support not compiled in\n"); + exit(1); +} +#endif |