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396 lines
9.0 KiB
396 lines
9.0 KiB
/*
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* "$Id: testmxml.c,v 1.11 2003/07/20 13:49:09 mike Exp $"
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*
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* Test program for mini-XML, a small XML-like file parsing library.
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*
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* Copyright 2003 by Michael Sweet.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Contents:
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*
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* main() - Main entry for test program.
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* type_cb() - XML data type callback for mxmlLoadFile()...
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* whitespace_cb() - Let the mxmlSaveFile() function know when to insert
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* newlines and tabs...
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*/
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/*
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* Include necessary headers...
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*/
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#include "mxml.h"
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#include "config.h"
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/*
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* Local functions...
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*/
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mxml_type_t type_cb(mxml_node_t *node);
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int whitespace_cb(mxml_node_t *node, int 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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FILE *fp; /* File to read */
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mxml_node_t *tree, /* XML tree */
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*node; /* Node which should be in test.xml */
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char buffer[16384]; /* Save string */
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static const char *types[] = /* Strings for node types */
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{
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"MXML_ELEMENT",
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"MXML_INTEGER",
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"MXML_OPAQUE",
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"MXML_REAL",
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"MXML_TEXT"
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};
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/*
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* Check arguments...
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*/
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if (argc != 2)
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{
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fputs("Usage: testmxml filename.xml\n", stderr);
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return (1);
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}
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/*
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* Test the basic functionality...
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*/
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tree = mxmlNewElement(MXML_NO_PARENT, "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 (tree->type != MXML_ELEMENT)
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{
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fprintf(stderr, "ERROR: Parent has type %s (%d), expected MXML_ELEMENT!\n",
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tree->type < MXML_ELEMENT || tree->type > MXML_TEXT ?
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"UNKNOWN" : types[tree->type], tree->type);
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mxmlDelete(tree);
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return (1);
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}
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if (strcmp(tree->value.element.name, "element"))
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{
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fprintf(stderr, "ERROR: Parent value is \"%s\", expected \"element\"!\n",
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tree->value.element.name);
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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, 123.4f);
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mxmlNewText(tree, 1, "text");
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node = tree->child;
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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 (node->type != MXML_INTEGER)
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{
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fprintf(stderr, "ERROR: First child has type %s (%d), expected MXML_INTEGER!\n",
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node->type < MXML_ELEMENT || node->type > MXML_TEXT ?
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"UNKNOWN" : types[node->type], node->type);
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mxmlDelete(tree);
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return (1);
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}
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if (node->value.integer != 123)
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{
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fprintf(stderr, "ERROR: First child value is %d, expected 123!\n",
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node->value.integer);
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mxmlDelete(tree);
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return (1);
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}
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node = node->next;
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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 (node->type != MXML_OPAQUE)
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{
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fprintf(stderr, "ERROR: Second child has type %s (%d), expected MXML_OPAQUE!\n",
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node->type < MXML_ELEMENT || node->type > MXML_TEXT ?
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"UNKNOWN" : types[node->type], node->type);
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mxmlDelete(tree);
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return (1);
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}
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if (!node->value.opaque || strcmp(node->value.opaque, "opaque"))
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{
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fprintf(stderr, "ERROR: Second child value is \"%s\", expected \"opaque\"!\n",
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node->value.opaque ? node->value.opaque : "(null)");
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mxmlDelete(tree);
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return (1);
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}
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node = node->next;
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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 (node->type != MXML_REAL)
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{
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fprintf(stderr, "ERROR: Third child has type %s (%d), expected MXML_REAL!\n",
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node->type < MXML_ELEMENT || node->type > MXML_TEXT ?
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"UNKNOWN" : types[node->type], node->type);
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mxmlDelete(tree);
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return (1);
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}
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if (node->value.real != 123.4f)
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{
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fprintf(stderr, "ERROR: Third child value is %f, expected 123.4!\n",
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node->value.real);
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mxmlDelete(tree);
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return (1);
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}
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node = node->next;
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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 (node->type != MXML_TEXT)
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{
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fprintf(stderr, "ERROR: Fourth child has type %s (%d), expected MXML_TEXT!\n",
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node->type < MXML_ELEMENT || node->type > MXML_TEXT ?
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"UNKNOWN" : types[node->type], node->type);
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mxmlDelete(tree);
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return (1);
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}
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if (!node->value.text.whitespace ||
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!node->value.text.string || strcmp(node->value.text.string, "text"))
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{
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fprintf(stderr, "ERROR: Fourth child value is %d,\"%s\", expected 1,\"text\"!\n",
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node->value.text.whitespace,
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node->value.text.string ? node->value.text.string : "(null)");
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mxmlDelete(tree);
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return (1);
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}
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mxmlDelete(tree->child);
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mxmlDelete(tree->child);
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mxmlDelete(tree->child);
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mxmlDelete(tree->child);
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if (tree->child)
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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 (tree->last_child)
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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(tree);
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/*
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* Open the file...
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*/
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if (argv[1][0] == '<')
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tree = mxmlLoadString(NULL, argv[1], type_cb);
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else if ((fp = fopen(argv[1], "r")) == NULL)
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{
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perror(argv[1]);
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return (1);
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}
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else
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{
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/*
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* Read the file...
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*/
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tree = mxmlLoadFile(NULL, fp, type_cb);
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fclose(fp);
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}
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if (!tree)
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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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/*
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* Verify that mxmlFindElement() and indirectly mxmlWalkNext() work
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* properly...
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*/
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if ((node = mxmlFindElement(tree, tree, "choice", NULL, NULL,
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MXML_DESCEND)) == 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 ((node = mxmlFindElement(node, tree, "choice", NULL, NULL,
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MXML_NO_DESCEND)) == NULL)
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{
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fputs("Unable to find second <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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}
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/*
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* Print the XML tree...
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*/
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mxmlSaveFile(tree, stdout, whitespace_cb);
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/*
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* Save the XML tree to a string and print it...
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*/
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if (mxmlSaveString(tree, buffer, sizeof(buffer), whitespace_cb) > 0)
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fputs(buffer, stderr);
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/*
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* Delete the tree and return...
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*/
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mxmlDelete(tree);
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return (0);
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}
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/*
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* 'type_cb()' - XML data type callback for mxmlLoadFile()...
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*/
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mxml_type_t /* O - Data type */
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type_cb(mxml_node_t *node) /* I - Element node */
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{
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const char *type; /* Type string */
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/*
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* You can lookup attributes and/or use the element name, hierarchy, etc...
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*/
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if ((type = mxmlElementGetAttr(node, "type")) == NULL)
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type = node->value.element.name;
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if (!strcmp(type, "integer"))
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return (MXML_INTEGER);
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else if (!strcmp(type, "opaque") || !strcmp(type, "pre"))
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return (MXML_OPAQUE);
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else if (!strcmp(type, "real"))
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return (MXML_REAL);
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else
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return (MXML_TEXT);
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}
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/*
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* 'whitespace_cb()' - Let the mxmlSaveFile() function know when to insert
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* newlines and tabs...
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*/
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int /* O - Whitespace char or 0 */
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whitespace_cb(mxml_node_t *node, /* I - Element node */
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int where) /* I - Open or close tag? */
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{
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const char *name; /* Name of element */
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/*
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* We can conditionally break to a new line before or after any element.
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* These are just common HTML elements...
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*/
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name = node->value.element.name;
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if (!strcmp(name, "html") || !strcmp(name, "head") || !strcmp(name, "body") ||
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!strcmp(name, "pre") || !strcmp(name, "p") ||
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!strcmp(name, "h1") || !strcmp(name, "h2") || !strcmp(name, "h3") ||
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!strcmp(name, "h4") || !strcmp(name, "h5") || !strcmp(name, "h6"))
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{
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/*
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* Newlines before open and after close...
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*/
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if (where == MXML_WS_BEFORE_OPEN || where == MXML_WS_AFTER_CLOSE)
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return ('\n');
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}
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else if (!strcmp(name, "dl") || !strcmp(name, "ol") || !strcmp(name, "ul"))
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{
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/*
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* Put a newline before and after list elements...
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*/
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return ('\n');
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}
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else if (!strcmp(name, "dd") || !strcmp(name, "dt") || !strcmp(name, "li"))
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{
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/*
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* Put a tab before <li>'s, <dd>'s, and <dt>'s, and a newline after them...
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*/
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if (where == MXML_WS_BEFORE_OPEN)
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return ('\t');
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else if (where == MXML_WS_AFTER_CLOSE)
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return ('\n');
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}
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/*
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* Return 0 for no added whitespace...
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*/
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return (0);
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}
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/*
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* End of "$Id: testmxml.c,v 1.11 2003/07/20 13:49:09 mike Exp $".
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*/
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