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