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/** * 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> #include <libxml/parser.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"); 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 this 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 this 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 this 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"); return 0; } #endif