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395 lines
9.1 KiB
395 lines
9.1 KiB
3 months ago
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/*
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* UCW Library -- A simple XML parser
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*
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* (c) 2007--2008 Pavel Charvat <pchar@ucw.cz>
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*
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* This software may be freely distributed and used according to the terms
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* of the GNU Lesser General Public License.
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*/
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#include <ucw/lib.h>
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#include <ucw-xml/xml.h>
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#include <ucw-xml/dtd.h>
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#include <ucw/getopt.h>
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#include <ucw/fastbuf.h>
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#include <ucw/gary.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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enum {
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WANT_FIRST = 0x100,
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WANT_HIDE_ERRORS,
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WANT_IGNORE_COMMENTS,
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WANT_IGNORE_PIS,
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WANT_REPORT_BLOCKS,
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WANT_REPORT_IGNORABLE,
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WANT_FILE_ENTITIES,
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WANT_QNAMES,
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};
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static char *shortopts = "spdtn" CF_SHORT_OPTS;
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static struct option longopts[] = {
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CF_LONG_OPTS
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{ "sax", 0, 0, 's' },
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{ "pull", 0, 0, 'p' },
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{ "dom", 0, 0, 't' },
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{ "dtd", 0, 0, 'd' },
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{ "namespaces", 0, 0, 'n' },
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{ "hide-errors", 0, 0, WANT_HIDE_ERRORS },
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{ "ignore-comments", 0, 0, WANT_IGNORE_COMMENTS },
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{ "ignore-pis", 0, 0, WANT_IGNORE_PIS },
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{ "report-blocks", 0, 0, WANT_REPORT_BLOCKS },
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{ "report-ignorable", 0, 0, WANT_REPORT_IGNORABLE },
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{ "file-entities", 0, 0, WANT_FILE_ENTITIES },
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{ "qnames", 0, 0, WANT_QNAMES },
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{ NULL, 0, 0, 0 }
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};
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static void NONRET
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usage(void)
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{
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fputs("\
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Usage: xml-test [options] < input.xml\n\
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\n\
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Options:\n"
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CF_USAGE
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"\
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-p, --pull Test PULL interface\n\
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-s, --sax Test SAX interface\n\
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-t, --dom Test DOM interface\n\
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-d, --dtd Enable parsing of DTD\n\
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-n, --namespaces Resolve namespaces\n\
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--hide-errors Hide warnings and error messages\n\
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--ignore-comments Ignore comments\n\
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--ignore-pis Ignore processing instructions\n\
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--report-blocks Report blocks or characters and CDATA sections\n\
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--report-ignorable Report ignorable whitespace\n\
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--file-entities Resolve file external entities (not fully normative)\n\
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--qnames Display qualified names including namespace prefixes\n\
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\n", stderr);
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exit(1);
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}
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static uint want_sax;
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static uint want_pull;
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static uint want_dom;
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static uint want_ns;
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static uint want_parse_dtd;
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static uint want_hide_errors;
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static uint want_ignore_comments;
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static uint want_ignore_pis;
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static uint want_report_blocks;
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static uint want_report_ignorable;
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static uint want_file_entities;
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static uint want_qnames;
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static struct fastbuf *out;
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static char *
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node_type(struct xml_node *node)
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{
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switch (node->type)
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{
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case XML_NODE_ELEM: return "element";
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case XML_NODE_COMMENT: return "comment";
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case XML_NODE_PI: return "pi";
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case XML_NODE_CHARS: return "chars";
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default: return "unknown";
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}
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}
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static void
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show_node(struct xml_context *ctx, struct xml_node *node)
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{
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switch (node->type)
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{
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case XML_NODE_ELEM:
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if (want_ns)
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bprintf(out, " (ns%u)<%s>", node->ns, (want_qnames ? xml_node_qname(ctx, node) : node->name));
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else
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bprintf(out, " <%s>", node->name);
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XML_ATTR_FOR_EACH(a, node)
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if (want_ns)
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bprintf(out, " (ns%u)%s='%s'", a->ns, (want_qnames ? xml_attr_qname(ctx, a) : a->name), a->val);
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else
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bprintf(out, " %s='%s'", a->name, a->val);
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bputc(out, '\n');
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break;
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case XML_NODE_COMMENT:
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bprintf(out, " text='%s'\n", node->text);
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break;
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case XML_NODE_PI:
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bprintf(out, " target=%s text='%s'\n", node->name, node->text);
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break;
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case XML_NODE_CHARS:
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bprintf(out, " text='%s'\n", node->text);
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break;
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default:
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bputc(out, '\n');
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}
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}
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static void
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show_tree(struct xml_context *ctx, struct xml_node *node, uint level)
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{
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if (!node)
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return;
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bputs(out, "DOM: ");
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for (uint i = 0; i < level; i++)
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bputs(out, " ");
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bputs(out, node_type(node));
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show_node(ctx, node);
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if (node->type == XML_NODE_ELEM)
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XML_NODE_FOR_EACH(son, node)
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show_tree(ctx, son, level + 1);
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}
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static void
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h_error(struct xml_context *ctx)
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{
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bprintf(out, "SAX: %s at %u: %s\n", (ctx->err_code < XML_ERR_ERROR) ? "warn" : "error", xml_row(ctx), ctx->err_msg);
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}
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static void
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h_document_start(struct xml_context *ctx UNUSED)
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{
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bputs(out, "SAX: document_start\n");
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}
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static void
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h_document_end(struct xml_context *ctx UNUSED)
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{
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bputs(out, "SAX: document_end\n");
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}
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static void
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h_xml_decl(struct xml_context *ctx)
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{
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bprintf(out, "SAX: xml_decl version=%s standalone=%d fb_encoding=%s\n", ctx->version_str, ctx->standalone, ctx->src->fb_encoding);
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}
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static void
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h_doctype_decl(struct xml_context *ctx)
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{
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bprintf(out, "SAX: doctype_decl type=%s public='%s' system='%s' extsub=%d intsub=%d\n",
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ctx->doctype, ctx->public_id ? : "", ctx->system_id ? : "",
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!!(ctx->flags & XML_HAS_EXTERNAL_SUBSET), !!(ctx->flags & XML_HAS_INTERNAL_SUBSET));
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}
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static void
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h_comment(struct xml_context *ctx)
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{
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bputs(out, "SAX: comment");
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show_node(ctx, ctx->node);
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}
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static void
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h_pi(struct xml_context *ctx)
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{
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bputs(out, "SAX: pi");
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show_node(ctx, ctx->node);
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}
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static void
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h_stag(struct xml_context *ctx)
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{
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bputs(out, "SAX: stag");
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show_node(ctx, ctx->node);
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}
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static void
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h_etag(struct xml_context *ctx)
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{
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bprintf(out, "SAX: etag </%s>\n", ctx->node->name);
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}
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static void
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h_chars(struct xml_context *ctx)
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{
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bputs(out, "SAX: chars");
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show_node(ctx, ctx->node);
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}
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static void
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h_block(struct xml_context *ctx UNUSED, char *text, uint len UNUSED)
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{
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bprintf(out, "SAX: block text='%s'\n", text);
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}
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static void
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h_cdata(struct xml_context *ctx UNUSED, char *text, uint len UNUSED)
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{
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bprintf(out, "SAX: cdata text='%s'\n", text);
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}
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static void
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h_ignorable(struct xml_context *ctx UNUSED, char *text, uint len UNUSED)
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{
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bprintf(out, "SAX: ignorable text='%s'\n", text);
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}
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static void
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h_dtd_start(struct xml_context *ctx UNUSED)
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{
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bputs(out, "SAX: dtd_start\n");
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}
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static void
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h_dtd_end(struct xml_context *ctx UNUSED)
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{
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bputs(out, "SAX: dtd_end\n");
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}
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static void
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h_resolve_entity(struct xml_context *ctx, struct xml_dtd_entity *e)
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{
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xml_push_fastbuf(ctx, bopen(e->system_id, O_RDONLY, 4096));
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}
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int
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main(int argc, char **argv)
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{
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int opt;
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cf_def_file = NULL;
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log_init(argv[0]);
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while ((opt = cf_getopt(argc, argv, shortopts, longopts, NULL)) >= 0)
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switch (opt)
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{
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case 's':
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want_sax++;
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break;
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case 'p':
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want_pull++;
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break;
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case 't':
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want_dom++;
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break;
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case 'd':
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want_parse_dtd++;
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break;
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case 'n':
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want_ns++;
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break;
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case WANT_HIDE_ERRORS:
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want_hide_errors++;
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break;
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case WANT_IGNORE_COMMENTS:
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want_ignore_comments++;
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break;
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case WANT_IGNORE_PIS:
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want_ignore_pis++;
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break;
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case WANT_REPORT_BLOCKS:
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want_report_blocks++;
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break;
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case WANT_REPORT_IGNORABLE:
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want_report_ignorable++;
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break;
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case WANT_FILE_ENTITIES:
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want_file_entities++;
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break;
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case WANT_QNAMES:
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want_qnames++;
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break;
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default:
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usage();
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}
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if (optind != argc)
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usage();
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out = bfdopen_shared(1, 4096);
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struct xml_context ctx;
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xml_init(&ctx);
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if (!want_hide_errors)
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ctx.h_warn = ctx.h_error = ctx.h_fatal = h_error;
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if (want_sax)
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{
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ctx.h_document_start = h_document_start;
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ctx.h_document_end = h_document_end;
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ctx.h_xml_decl = h_xml_decl;
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ctx.h_doctype_decl = h_doctype_decl;
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ctx.h_comment = h_comment;
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ctx.h_pi = h_pi;
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ctx.h_stag = h_stag;
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ctx.h_etag = h_etag;
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ctx.h_chars = h_chars;
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if (want_report_blocks)
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{
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ctx.h_block = h_block;
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ctx.h_cdata = h_cdata;
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}
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if (want_report_ignorable)
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ctx.h_ignorable = h_ignorable;
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ctx.h_dtd_start = h_dtd_start;
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ctx.h_dtd_end = h_dtd_end;
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}
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if (want_dom)
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ctx.flags |= XML_ALLOC_ALL;
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if (want_parse_dtd)
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ctx.flags |= XML_PARSE_DTD;
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if (want_ignore_comments)
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ctx.flags &= ~(XML_REPORT_COMMENTS | XML_ALLOC_COMMENTS);
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if (want_ignore_pis)
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ctx.flags &= ~(XML_REPORT_PIS | XML_ALLOC_PIS);
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if (want_file_entities)
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ctx.h_resolve_entity = h_resolve_entity;
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if (want_ns)
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xml_ns_enable(&ctx);
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xml_push_fastbuf(&ctx, bfdopen_shared(0, 4096));
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bputs(out, "PULL: start\n");
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if (want_pull)
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{
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ctx.pull = XML_PULL_CHARS | XML_PULL_STAG | XML_PULL_ETAG | XML_PULL_COMMENT | XML_PULL_PI;
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uint state;
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while (state = xml_next(&ctx))
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switch (state)
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{
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case XML_STATE_CHARS:
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bputs(out, "PULL: chars");
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show_node(&ctx, ctx.node);
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break;
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case XML_STATE_STAG:
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bputs(out, "PULL: stag");
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show_node(&ctx, ctx.node);
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break;
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case XML_STATE_ETAG:
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bprintf(out, "PULL: etag </%s>\n", ctx.node->name);
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break;
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case XML_STATE_COMMENT:
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bputs(out, "PULL: comment");
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show_node(&ctx, ctx.node);
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break;
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case XML_STATE_PI:
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bputs(out, "PULL: pi");
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show_node(&ctx, ctx.node);
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break;
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default:
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bputs(out, "PULL: unknown\n");
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break;
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}
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}
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else
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xml_parse(&ctx);
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|
if (ctx.err_code)
|
||
|
|
bprintf(out, "PULL: fatal error at %u: %s\n", xml_row(&ctx), ctx.err_msg);
|
||
|
|
else
|
||
|
|
{
|
||
|
|
bputs(out, "PULL: eof\n");
|
||
|
|
if (want_dom)
|
||
|
|
show_tree(&ctx, ctx.dom, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (want_ns)
|
||
|
|
{
|
||
|
|
bputs(out, "Known namespaces:\n");
|
||
|
|
for (uns i=0; i < GARY_SIZE(ctx.ns_by_id); i++)
|
||
|
|
bprintf(out, "%u\t%s\n", i, ctx.ns_by_id[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
xml_cleanup(&ctx);
|
||
|
|
bclose(out);
|
||
|
|
return 0;
|
||
|
|
}
|