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https://github.com/michaelrsweet/mxml.git
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774 lines
21 KiB
C
774 lines
21 KiB
C
//
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// Test program for Mini-XML, a small XML file parsing library.
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//
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// Usage:
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//
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// ./testmxml input.xml [string-output.xml] >stdio-output.xml
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// ./testmxml "<?xml ..." [string-output.xml] >stdio-output.xml
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//
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// https://www.msweet.org/mxml
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//
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// Copyright © 2003-2024 by Michael R Sweet.
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//
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// Licensed under Apache License v2.0. See the file "LICENSE" for more
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// information.
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//
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#include "config.h"
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#include "mxml.h"
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#ifndef _WIN32
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# include <unistd.h>
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#endif // !_WIN32
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#include <fcntl.h>
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#ifndef O_BINARY
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# define O_BINARY 0
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#endif // !O_BINARY
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//
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// Globals...
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//
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int event_counts[7];
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//
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// Local functions...
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//
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bool sax_cb(void *cbdata, mxml_node_t *node, mxml_sax_event_t event);
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mxml_type_t type_cb(void *cbdata, mxml_node_t *node);
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const char *whitespace_cb(void *cbdata, mxml_node_t *node, mxml_ws_t where);
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//
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// 'main()' - Main entry for test program.
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//
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int // O - Exit status
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main(int argc, // I - Number of command-line args
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char *argv[]) // I - Command-line args
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{
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int i; // Looping var
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FILE *fp; // File to read
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int fd; // File descriptor
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mxml_options_t *options; // Load/save options
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mxml_node_t *xml, // <?xml ...?> node
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*tree, // Element tree
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*node; // Node which should be in test.xml
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mxml_index_t *ind; // XML index
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char buffer[16384]; // Save string
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const char *text; // Text string
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bool whitespace; // Whitespace before text string
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static const char *types[] = // Strings for node types
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{
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"MXML_TYPE_CDATA",
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"MXML_TYPE_COMMENT",
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"MXML_TYPE_DECLARATION",
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"MXML_TYPE_DIRECTIVE",
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"MXML_TYPE_ELEMENT",
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"MXML_TYPE_INTEGER",
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"MXML_TYPE_OPAQUE",
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"MXML_TYPE_REAL",
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"MXML_TYPE_TEXT",
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"MXML_TYPE_CUSTOM"
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};
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// Check arguments...
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if (argc != 2 && argc != 3)
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{
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fputs("Usage: testmxml filename.xml [string-output.xml]\n", stderr);
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return (1);
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}
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// Test the basic functionality...
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options = mxmlOptionsNew();
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xml = mxmlNewXML("1.0");
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tree = mxmlNewElement(xml, "element");
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if (!tree)
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{
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fputs("ERROR: No parent node in basic test.\n", stderr);
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return (1);
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}
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if (mxmlGetType(tree) != MXML_TYPE_ELEMENT)
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{
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fprintf(stderr, "ERROR: Parent has type %d(%s), expected MXML_TYPE_ELEMENT.\n", mxmlGetType(tree), types[mxmlGetType(tree)]);
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mxmlDelete(tree);
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return (1);
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}
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if (strcmp(mxmlGetElement(tree), "element"))
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{
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fprintf(stderr, "ERROR: Parent value is \"%s\", expected \"element\".\n", mxmlGetElement(tree));
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mxmlDelete(tree);
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return (1);
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}
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mxmlNewInteger(tree, 123);
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mxmlNewOpaque(tree, "opaque");
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mxmlNewReal(tree, 123.4);
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mxmlNewText(tree, 1, "text");
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mxmlOptionsSetTypeValue(options, MXML_TYPE_TEXT);
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mxmlLoadString(tree, options, "<group type='string'>string string string</group>");
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mxmlOptionsSetTypeValue(options, MXML_TYPE_INTEGER);
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mxmlLoadString(tree, options, "<group type='integer'>1 2 3</group>");
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mxmlOptionsSetTypeValue(options, MXML_TYPE_REAL);
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mxmlLoadString(tree, options, "<group type='real'>1.0 2.0 3.0</group>");
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mxmlOptionsSetTypeValue(options, MXML_TYPE_OPAQUE);
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mxmlLoadString(tree, options, "<group>opaque opaque opaque</group>");
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mxmlLoadString(tree, options, "<foo><bar><one><two>value<two>value2</two></two></one></bar></foo>");
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mxmlNewCDATA(tree, "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n");
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mxmlNewCDATA(tree,
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n"
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n"
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n"
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n");
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mxmlNewCDATA(tree,
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n"
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n"
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n"
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n"
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n"
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n"
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n"
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n");
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node = mxmlGetFirstChild(tree);
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if (!node)
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{
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fputs("ERROR: No first child node in basic test.\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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if (mxmlGetType(node) != MXML_TYPE_INTEGER)
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{
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fprintf(stderr, "ERROR: First child has type %d(%s), expected MXML_TYPE_INTEGER.\n", mxmlGetType(node), types[mxmlGetType(node)]);
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mxmlDelete(tree);
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return (1);
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}
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if (mxmlGetInteger(node) != 123)
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{
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fprintf(stderr, "ERROR: First child value is %ld, expected 123.\n", mxmlGetInteger(node));
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mxmlDelete(tree);
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return (1);
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}
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node = mxmlGetNextSibling(node);
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if (!node)
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{
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fputs("ERROR: No second child node in basic test.\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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if (mxmlGetType(node) != MXML_TYPE_OPAQUE)
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{
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fprintf(stderr, "ERROR: Second child has type %s (%d), expected MXML_TYPE_OPAQUE.\n", mxmlGetType(node) < MXML_TYPE_ELEMENT || mxmlGetType(node) > MXML_TYPE_TEXT ? "UNKNOWN" : types[mxmlGetType(node)], mxmlGetType(node));
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mxmlDelete(tree);
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return (1);
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}
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if (!mxmlGetOpaque(node) || strcmp(mxmlGetOpaque(node), "opaque"))
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{
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fprintf(stderr, "ERROR: Second child value is \"%s\", expected \"opaque\".\n", mxmlGetOpaque(node) ? mxmlGetOpaque(node) : "(null)");
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mxmlDelete(tree);
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return (1);
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}
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node = mxmlGetNextSibling(node);
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if (!node)
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{
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fputs("ERROR: No third child node in basic test.\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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if (mxmlGetType(node) != MXML_TYPE_REAL)
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{
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fprintf(stderr, "ERROR: Third child has type %s (%d), expected MXML_TYPE_REAL.\n", mxmlGetType(node) < MXML_TYPE_ELEMENT || mxmlGetType(node) > MXML_TYPE_TEXT ? "UNKNOWN" : types[mxmlGetType(node)], mxmlGetType(node));
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mxmlDelete(tree);
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return (1);
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}
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if (mxmlGetReal(node) != 123.4)
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{
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fprintf(stderr, "ERROR: Third child value is %f, expected 123.4.\n", mxmlGetReal(node));
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mxmlDelete(tree);
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return (1);
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}
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node = mxmlGetNextSibling(node);
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if (!node)
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{
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fputs("ERROR: No fourth child node in basic test.\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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if (mxmlGetType(node) != MXML_TYPE_TEXT)
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{
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fprintf(stderr, "ERROR: Fourth child has type %s (%d), expected MXML_TYPE_TEXT.\n", mxmlGetType(node) < MXML_TYPE_ELEMENT || mxmlGetType(node) > MXML_TYPE_TEXT ? "UNKNOWN" : types[mxmlGetType(node)], mxmlGetType(node));
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mxmlDelete(tree);
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return (1);
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}
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text = mxmlGetText(node, &whitespace);
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if (!whitespace || !text || strcmp(text, "text"))
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{
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fprintf(stderr, "ERROR: Fourth child value is %s,\"%s\", expected true,\"text\".\n", whitespace ? "true" : "false", text);
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mxmlDelete(tree);
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return (1);
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}
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for (i = 0; i < 4; i ++)
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{
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node = mxmlGetNextSibling(node);
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if (!node)
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{
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fprintf(stderr, "ERROR: No group #%d child node in basic test.\n", i + 1);
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mxmlDelete(tree);
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return (1);
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}
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if (mxmlGetType(node) != MXML_TYPE_ELEMENT)
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{
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fprintf(stderr, "ERROR: Group child #%d has type %d(%s), expected MXML_TYPE_ELEMENT.\n", i + 1, mxmlGetType(node), types[mxmlGetType(node)]);
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mxmlDelete(tree);
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return (1);
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}
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}
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// Test mxmlFindPath...
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node = mxmlFindPath(tree, "*/two");
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if (!node)
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{
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fputs("ERROR: Unable to find value for \"*/two\".\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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else if (mxmlGetType(node) != MXML_TYPE_OPAQUE || strcmp(mxmlGetOpaque(node), "value"))
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{
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fprintf(stderr, "ERROR: Bad value for \"*/two\" - node=%p(%s), opaque=\"%s\"\n", node, types[mxmlGetType(node)], mxmlGetOpaque(node));
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mxmlDelete(tree);
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return (1);
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}
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node = mxmlFindPath(tree, "foo/*/two");
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if (!node)
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{
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fputs("ERROR: Unable to find value for \"foo/*/two\".\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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else if (mxmlGetType(node) != MXML_TYPE_OPAQUE || strcmp(mxmlGetOpaque(node), "value"))
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{
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fputs("ERROR: Bad value for \"foo/*/two\".\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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node = mxmlFindPath(tree, "foo/bar/one/two");
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if (!node)
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{
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fputs("ERROR: Unable to find value for \"foo/bar/one/two\".\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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else if (mxmlGetType(node) != MXML_TYPE_OPAQUE || strcmp(mxmlGetOpaque(node), "value"))
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{
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fputs("ERROR: Bad value for \"foo/bar/one/two\".\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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// Test indices...
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ind = mxmlIndexNew(tree, NULL, NULL);
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if (!ind)
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{
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fputs("ERROR: Unable to create index of all nodes.\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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if (mxmlIndexGetCount(ind) != 10)
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{
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fprintf(stderr, "ERROR: Index of all nodes contains %lu nodes; expected 10.\n", (unsigned long)mxmlIndexGetCount(ind));
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mxmlIndexDelete(ind);
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mxmlDelete(tree);
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return (1);
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}
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mxmlIndexReset(ind);
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if (!mxmlIndexFind(ind, "group", NULL))
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{
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fputs("ERROR: mxmlIndexFind for \"group\" failed.\n", stderr);
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mxmlIndexDelete(ind);
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mxmlDelete(tree);
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return (1);
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}
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mxmlIndexDelete(ind);
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ind = mxmlIndexNew(tree, "group", NULL);
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if (!ind)
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{
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fputs("ERROR: Unable to create index of groups.\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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if (mxmlIndexGetCount(ind) != 4)
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{
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fprintf(stderr, "ERROR: Index of groups contains %lu nodes; expected 4.\n", (unsigned long)mxmlIndexGetCount(ind));
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mxmlIndexDelete(ind);
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mxmlDelete(tree);
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return (1);
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}
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mxmlIndexReset(ind);
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if (!mxmlIndexEnum(ind))
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{
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fputs("ERROR: mxmlIndexEnum failed.\n", stderr);
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mxmlIndexDelete(ind);
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mxmlDelete(tree);
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return (1);
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}
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mxmlIndexDelete(ind);
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ind = mxmlIndexNew(tree, NULL, "type");
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if (!ind)
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{
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fputs("ERROR: Unable to create index of type attributes.\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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if (mxmlIndexGetCount(ind) != 3)
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{
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fprintf(stderr, "ERROR: Index of type attributes contains %lu nodes; expected 3.\n", (unsigned long)mxmlIndexGetCount(ind));
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mxmlIndexDelete(ind);
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mxmlDelete(tree);
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return (1);
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}
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mxmlIndexReset(ind);
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if (!mxmlIndexFind(ind, NULL, "string"))
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{
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fputs("ERROR: mxmlIndexFind for \"string\" failed.\n", stderr);
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mxmlIndexDelete(ind);
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mxmlDelete(tree);
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return (1);
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}
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mxmlIndexDelete(ind);
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ind = mxmlIndexNew(tree, "group", "type");
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if (!ind)
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{
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fputs("ERROR: Unable to create index of elements and attributes.\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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if (mxmlIndexGetCount(ind) != 3)
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{
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fprintf(stderr, "ERROR: Index of elements and attributes contains %lu nodes; expected 3.\n", (unsigned long)mxmlIndexGetCount(ind));
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mxmlIndexDelete(ind);
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mxmlDelete(tree);
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return (1);
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}
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mxmlIndexReset(ind);
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if (!mxmlIndexFind(ind, "group", "string"))
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{
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fputs("ERROR: mxmlIndexFind for \"string\" failed.\n", stderr);
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mxmlIndexDelete(ind);
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mxmlDelete(tree);
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return (1);
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}
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mxmlIndexDelete(ind);
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// Check the mxmlDelete() works properly...
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for (i = 0; i < 12; i ++)
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{
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if (mxmlGetFirstChild(tree))
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{
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mxmlDelete(mxmlGetFirstChild(tree));
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}
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else
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{
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fprintf(stderr, "ERROR: Child pointer prematurely NULL on child #%d\n", i + 1);
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mxmlDelete(tree);
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return (1);
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}
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}
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if (mxmlGetFirstChild(tree))
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{
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fputs("ERROR: Child pointer not NULL after deleting all children.\n", stderr);
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return (1);
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}
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if (mxmlGetLastChild(tree))
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{
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fputs("ERROR: Last child pointer not NULL after deleting all children.\n", stderr);
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return (1);
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}
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mxmlDelete(xml);
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// Open the file/string using the default callback...
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mxmlOptionsSetTypeValue(options, MXML_TYPE_TEXT);
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if (argv[1][0] == '<')
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xml = mxmlLoadString(/*top*/NULL, options, argv[1]);
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else
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xml = mxmlLoadFilename(/*top*/NULL, options, argv[1]);
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if (!xml)
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{
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fputs("Unable to read XML file with default callback.\n", stderr);
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return (1);
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}
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if (!strcmp(argv[1], "test.xml"))
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{
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// Verify that mxmlFindElement() and indirectly mxmlWalkNext() work properly...
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if ((node = mxmlFindPath(xml, "group/option/keyword")) == NULL)
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{
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fputs("Unable to find group/option/keyword element in XML tree.\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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if (mxmlGetType(node) != MXML_TYPE_TEXT)
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{
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fputs("No child node of group/option/keyword.\n", stderr);
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mxmlSaveFile(xml, options, stderr);
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mxmlDelete(xml);
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return (1);
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}
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if ((text = mxmlGetText(node, NULL)) == NULL || strcmp(text, "InputSlot"))
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{
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fprintf(stderr, "Child node of group/option/value has value \"%s\" instead of \"InputSlot\".\n", text ? text : "(null)");
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mxmlDelete(xml);
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return (1);
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}
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}
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mxmlDelete(xml);
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// Open the file...
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mxmlOptionsSetTypeCallback(options, type_cb, /*cbdata*/NULL);
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if (argv[1][0] == '<')
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xml = mxmlLoadString(/*top*/NULL, options, argv[1]);
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else
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xml = mxmlLoadFilename(/*top*/NULL, options, argv[1]);
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if (!xml)
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{
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fputs("Unable to read XML file.\n", stderr);
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return (1);
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}
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if (!strcmp(argv[1], "test.xml"))
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{
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// Verify that mxmlFindElement() and indirectly mxmlWalkNext() work properly...
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if ((node = mxmlFindElement(xml, xml, "choice", NULL, NULL, MXML_DESCEND_ALL)) == NULL)
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{
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fputs("Unable to find first <choice> element in XML tree.\n", stderr);
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mxmlDelete(tree);
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return (1);
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}
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if (!mxmlFindElement(node, xml, "choice", NULL, NULL, MXML_DESCEND_NONE))
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{
|
||
fputs("Unable to find second <choice> element in XML tree.\n", stderr);
|
||
mxmlDelete(tree);
|
||
return (1);
|
||
}
|
||
}
|
||
|
||
// Print the XML tree...
|
||
mxmlOptionsSetWhitespaceCallback(options, whitespace_cb, /*cbdata*/NULL);
|
||
mxmlSaveFile(xml, options, stdout);
|
||
|
||
// Save the XML tree to a string and print it...
|
||
if (mxmlSaveString(xml, options, buffer, sizeof(buffer)) > 0)
|
||
{
|
||
if (argc == 3)
|
||
{
|
||
fp = fopen(argv[2], "w");
|
||
fputs(buffer, fp);
|
||
fclose(fp);
|
||
}
|
||
}
|
||
|
||
// Delete the tree...
|
||
mxmlDelete(xml);
|
||
|
||
// Read from/write to file descriptors...
|
||
if (argv[1][0] != '<')
|
||
{
|
||
// Open the file again...
|
||
if ((fd = open(argv[1], O_RDONLY | O_BINARY)) < 0)
|
||
{
|
||
perror(argv[1]);
|
||
return (1);
|
||
}
|
||
|
||
// Read the file...
|
||
xml = mxmlLoadFd(/*top*/NULL, options, fd);
|
||
|
||
close(fd);
|
||
|
||
// Create filename.xmlfd...
|
||
snprintf(buffer, sizeof(buffer), "%sfd", argv[1]);
|
||
|
||
if ((fd = open(buffer, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666)) < 0)
|
||
{
|
||
perror(buffer);
|
||
mxmlDelete(tree);
|
||
return (1);
|
||
}
|
||
|
||
// Write the file...
|
||
mxmlSaveFd(xml, options, fd);
|
||
|
||
close(fd);
|
||
|
||
// Delete the tree...
|
||
mxmlDelete(xml);
|
||
}
|
||
|
||
// Test SAX methods...
|
||
memset(event_counts, 0, sizeof(event_counts));
|
||
|
||
mxmlOptionsSetSAXCallback(options, sax_cb, /*cbdata*/NULL);
|
||
|
||
if (argv[1][0] == '<')
|
||
mxmlRelease(mxmlLoadString(/*top*/NULL, options, argv[1]));
|
||
else
|
||
mxmlRelease(mxmlLoadFilename(/*top*/NULL, options, argv[1]));
|
||
|
||
if (!strcmp(argv[1], "test.xml"))
|
||
{
|
||
if (event_counts[MXML_SAX_EVENT_CDATA] != 1)
|
||
{
|
||
fprintf(stderr, "MXML_SAX_EVENT_CDATA seen %d times, expected 1 times.\n", event_counts[MXML_SAX_EVENT_CDATA]);
|
||
return (1);
|
||
}
|
||
|
||
if (event_counts[MXML_SAX_EVENT_COMMENT] != 1)
|
||
{
|
||
fprintf(stderr, "MXML_SAX_EVENT_COMMENT seen %d times, expected 1 times.\n", event_counts[MXML_SAX_EVENT_COMMENT]);
|
||
return (1);
|
||
}
|
||
|
||
if (event_counts[MXML_SAX_EVENT_DATA] != 61)
|
||
{
|
||
fprintf(stderr, "MXML_SAX_EVENT_DATA seen %d times, expected 61 times.\n", event_counts[MXML_SAX_EVENT_DATA]);
|
||
return (1);
|
||
}
|
||
|
||
if (event_counts[MXML_SAX_EVENT_DECLARATION] != 0)
|
||
{
|
||
fprintf(stderr, "MXML_SAX_EVENT_DECLARATION seen %d times, expected 0 times.\n", event_counts[MXML_SAX_EVENT_DECLARATION]);
|
||
return (1);
|
||
}
|
||
|
||
if (event_counts[MXML_SAX_EVENT_DIRECTIVE] != 1)
|
||
{
|
||
fprintf(stderr, "MXML_SAX_EVENT_DIRECTIVE seen %d times, expected 1 times.\n", event_counts[MXML_SAX_EVENT_DIRECTIVE]);
|
||
return (1);
|
||
}
|
||
|
||
if (event_counts[MXML_SAX_EVENT_ELEMENT_CLOSE] != 20)
|
||
{
|
||
fprintf(stderr, "MXML_SAX_EVENT_ELEMENT_CLOSE seen %d times, expected 20 times.\n", event_counts[MXML_SAX_EVENT_ELEMENT_CLOSE]);
|
||
return (1);
|
||
}
|
||
|
||
if (event_counts[MXML_SAX_EVENT_ELEMENT_OPEN] != 20)
|
||
{
|
||
fprintf(stderr, "MXML_SAX_EVENT_ELEMENT_OPEN seen %d times, expected 20 times.\n", event_counts[MXML_SAX_EVENT_ELEMENT_OPEN]);
|
||
return (1);
|
||
}
|
||
}
|
||
|
||
#ifndef _WIN32
|
||
// Debug hooks...
|
||
if (getenv("TEST_DELAY") != NULL)
|
||
sleep(atoi(getenv("TEST_DELAY")));
|
||
|
||
# ifdef __APPLE__
|
||
if (getenv("TEST_LEAKS") != NULL)
|
||
{
|
||
char command[1024];
|
||
|
||
snprintf(command, sizeof(command), "leaks %d", (int)getpid());
|
||
if (system(command))
|
||
puts("Unable to check for leaks.");
|
||
}
|
||
# endif // __APPLE__
|
||
#endif // !_WIN32
|
||
|
||
// Return...
|
||
return (0);
|
||
}
|
||
|
||
|
||
//
|
||
// 'sax_cb()' - Process nodes via SAX.
|
||
//
|
||
|
||
bool // O - `true` to continue, `false` to stop
|
||
sax_cb(void *cbdata, // I - SAX callback data (not used)
|
||
mxml_node_t *node, // I - Current node
|
||
mxml_sax_event_t event) // I - SAX event
|
||
{
|
||
static const char * const events[] = // Events
|
||
{
|
||
"MXML_SAX_EVENT_CDATA", // CDATA node
|
||
"MXML_SAX_EVENT_COMMENT", // Comment node
|
||
"MXML_SAX_EVENT_DATA", // Data node
|
||
"MXML_SAX_EVENT_DECLARATION", // Declaration node
|
||
"MXML_SAX_EVENT_DIRECTIVE", // Processing directive node
|
||
"MXML_SAX_EVENT_ELEMENT_CLOSE", // Element closed
|
||
"MXML_SAX_EVENT_ELEMENT_OPEN" // Element opened
|
||
};
|
||
|
||
|
||
(void)cbdata;
|
||
|
||
// This SAX callback just counts the different events.
|
||
if (!node)
|
||
fprintf(stderr, "ERROR: SAX callback for event %s has NULL node.\n", events[event]);
|
||
|
||
event_counts[event] ++;
|
||
|
||
return (true);
|
||
}
|
||
|
||
|
||
//
|
||
// 'type_cb()' - XML data type callback for mxmlLoadFile()...
|
||
//
|
||
|
||
mxml_type_t // O - Data type
|
||
type_cb(void *cbdata, // I - Callback data
|
||
mxml_node_t *node) // I - Element node
|
||
{
|
||
const char *type; // Type string
|
||
|
||
|
||
(void)cbdata;
|
||
|
||
// You can lookup attributes and/or use the element name, hierarchy, etc...
|
||
if ((type = mxmlElementGetAttr(node, "type")) == NULL)
|
||
{
|
||
if ((type = mxmlGetElement(node)) == NULL)
|
||
type = "";
|
||
}
|
||
|
||
if (!strcmp(type, "integer"))
|
||
return (MXML_TYPE_INTEGER);
|
||
else if (!strcmp(type, "opaque") || !strcmp(type, "pre"))
|
||
return (MXML_TYPE_OPAQUE);
|
||
else if (!strcmp(type, "real"))
|
||
return (MXML_TYPE_REAL);
|
||
else
|
||
return (MXML_TYPE_TEXT);
|
||
}
|
||
|
||
|
||
//
|
||
// 'whitespace_cb()' - Let the mxmlSaveFile() function know when to insert
|
||
// newlines and tabs...
|
||
//
|
||
|
||
const char * // O - Whitespace string or NULL
|
||
whitespace_cb(void *cbdata, // I - Callback data
|
||
mxml_node_t *node, // I - Element node
|
||
mxml_ws_t where) // I - Open or close tag?
|
||
{
|
||
mxml_node_t *parent; // Parent node
|
||
int level; // Indentation level
|
||
const char *name; // Name of element
|
||
static const char *tabs = "\t\t\t\t\t\t\t\t";
|
||
// Tabs for indentation
|
||
|
||
|
||
(void)cbdata;
|
||
|
||
// We can conditionally break to a new line before or after any element.
|
||
// These are just common HTML elements...
|
||
if ((name = mxmlGetElement(node)) == NULL)
|
||
name = "";
|
||
|
||
if (!strcmp(name, "html") || !strcmp(name, "head") || !strcmp(name, "body") || !strcmp(name, "pre") || !strcmp(name, "p") || !strcmp(name, "h1") || !strcmp(name, "h2") || !strcmp(name, "h3") || !strcmp(name, "h4") || !strcmp(name, "h5") || !strcmp(name, "h6"))
|
||
{
|
||
// Newlines before open and after close...
|
||
if (where == MXML_WS_BEFORE_OPEN || where == MXML_WS_AFTER_CLOSE)
|
||
return ("\n");
|
||
}
|
||
else if (!strcmp(name, "dl") || !strcmp(name, "ol") || !strcmp(name, "ul"))
|
||
{
|
||
// Put a newline before and after list elements...
|
||
return ("\n");
|
||
}
|
||
else if (!strcmp(name, "dd") || !strcmp(name, "dt") || !strcmp(name, "li"))
|
||
{
|
||
// Put a tab before <li>'s, <dd>'s, and <dt>'s, and a newline after them...
|
||
if (where == MXML_WS_BEFORE_OPEN)
|
||
return ("\t");
|
||
else if (where == MXML_WS_AFTER_CLOSE)
|
||
return ("\n");
|
||
}
|
||
else if (mxmlGetType(node) == MXML_TYPE_DIRECTIVE)
|
||
{
|
||
if (where == MXML_WS_AFTER_OPEN)
|
||
return ("\n");
|
||
else
|
||
return (NULL);
|
||
}
|
||
else if (where == MXML_WS_BEFORE_OPEN || ((!strcmp(name, "choice") || !strcmp(name, "option")) && where == MXML_WS_BEFORE_CLOSE))
|
||
{
|
||
for (level = -1, parent = mxmlGetParent(node); parent; level ++, parent = mxmlGetParent(parent));
|
||
|
||
if (level > 8)
|
||
level = 8;
|
||
else if (level < 0)
|
||
level = 0;
|
||
|
||
return (tabs + 8 - level);
|
||
}
|
||
else if (where == MXML_WS_AFTER_CLOSE || ((!strcmp(name, "group") || !strcmp(name, "option") || !strcmp(name, "choice")) && where == MXML_WS_AFTER_OPEN))
|
||
return ("\n");
|
||
else if (where == MXML_WS_AFTER_OPEN && !mxmlGetFirstChild(node))
|
||
return ("\n");
|
||
|
||
// Return NULL for no added whitespace...
|
||
return (NULL);
|
||
}
|