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6842ee810e
doc/Makefile.am:
* Build what's in doc/ before doc/devhelp/, as the dependency graph flows
that way
* Add "--path $(srcdir)" so that xsltproc can find DTDs in srcdir
* Replaced $(top_srcdir)/doc with an equivalent $(srcdir)
* Qualified libxml2-api.xml with $(srcdir) as it's always generated there
* Rewrote the dependencies for libxml2-api.xml so that xmlversion.h
doesn't throw everything off
doc/devhelp/Makefile.am:
* Use Automake constructs to install the HTML files instead of an
install-data-local rule
* Reorganized the file a bit (hello whitespace!)
* EXTRA_DIST doesn't need to list so many files now that dist_devhelp_DATA
is being used
* Only print "Rebuilding devhelp files" if rebuilding is actually
occurring
doc/examples/index.py:
* Make the "this file is auto-generated" banner more prominent
* Autotools updates: Use AM_CPPFLAGS/AM_CFLAGS instead of INCLUDES
* Got rid of DEPS as it's not needed (Automake already sees the dependency
on libxml2.la by way of LDADD(S))
* Replaced LDADDS with LDADD, which is applied to all programs listed
in the file. Since all the test programs have the same link
dependencies, this way is more concise yet equivalent.
* Remove the *.tmp files via "make clean" instead of having the test
programs do it themselves (more on this later)
* Invoke index.py in srcdir, as it pretty much needs to run there
* Restructured the index.html rule so that only the xmllint invocation is
allowed to fail
* Use $(MKDIR_P) instead of $(mkinstalldirs), $(VAR) instead of @VAR@
* Remove symlinks for test?.xml in an out-of-source build
* Sort lists for neatness
* Better formatting for EXTRA_DIST and noinst_PROGRAMS variables
* Simplified the Automake bits printed for each program: *_LDFLAGS doesn't
need to be specified as it's empty anyway, *_DEPENDENCIES is redundant,
*_LDADD isn't needed due to the global LDADD
* Added a bit that symlinks in test?.xml from srcdir in out-of-source
builds. This allows the reader4 test to read these files in the current
directory, which ensures that the output always looks the same (i.e.
does not contain references to srcdir)
* Don't hide the test program invocation (or else it's hard to tell which
test failed), and don't use superfluous parentheses
* NOTE: If you check in these changes, be sure to run this script and also
check in the updated files that it generates!
doc/examples/*.c:
* Updated the test: lines so that
+ "&&" is used to separate commands instead of ";" so that errors are
not masked
+ reference files are qualified with $(srcdir)/
+ no "rm" takes place -- these are a problem because (1) if a test
fails, it's useful to have the output file ready for inspection; (2)
the "rm" invocation masks a potential non-zero exit status from diff
(This is why I added the CLEANFILES line above)
doc/examples/io1.res:
* Updated this ref file so that the test passes. (This is correct, right?)
doc/examples/reader4.res:
* Changed this back to its original form, as the symlinking of test?.xml
means this file no longer has to contain path prefixes on the filenames
doc/examples/testWriter.c:
* Changed the output filenames to *.tmp instead of *.res, partly for
consistency, partly to not have to add special cases to CLEANFILES
doc/examples/xpath1.c:
* Removed the "./" prefix on the test invocation, which is redundant as
index.py already adds one
95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/**
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* section: Tree
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* synopsis: Navigates a tree to print element names
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* purpose: Parse a file to a tree, use xmlDocGetRootElement() to
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* get the root element, then walk the document and print
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* all the element name in document order.
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* usage: tree1 filename_or_URL
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* test: tree1 test2.xml > tree1.tmp && diff tree1.tmp $(srcdir)/tree1.res
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* author: Dodji Seketeli
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* copy: see Copyright for the status of this software.
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*/
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#include <stdio.h>
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#include <libxml/parser.h>
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#include <libxml/tree.h>
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#ifdef LIBXML_TREE_ENABLED
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/*
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*To compile this file using gcc you can type
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*gcc `xml2-config --cflags --libs` -o xmlexample libxml2-example.c
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*/
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/**
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* print_element_names:
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* @a_node: the initial xml node to consider.
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*
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* Prints the names of the all the xml elements
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* that are siblings or children of a given xml node.
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*/
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static void
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print_element_names(xmlNode * a_node)
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{
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xmlNode *cur_node = NULL;
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for (cur_node = a_node; cur_node; cur_node = cur_node->next) {
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if (cur_node->type == XML_ELEMENT_NODE) {
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printf("node type: Element, name: %s\n", cur_node->name);
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}
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print_element_names(cur_node->children);
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}
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}
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/**
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* Simple example to parse a file called "file.xml",
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* walk down the DOM, and print the name of the
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* xml elements nodes.
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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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xmlDoc *doc = NULL;
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xmlNode *root_element = NULL;
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if (argc != 2)
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return(1);
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/*
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* this initialize the library and check potential ABI mismatches
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* between the version it was compiled for and the actual shared
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* library used.
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*/
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LIBXML_TEST_VERSION
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/*parse the file and get the DOM */
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doc = xmlReadFile(argv[1], NULL, 0);
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if (doc == NULL) {
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printf("error: could not parse file %s\n", argv[1]);
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}
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/*Get the root element node */
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root_element = xmlDocGetRootElement(doc);
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print_element_names(root_element);
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/*free the document */
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xmlFreeDoc(doc);
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/*
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*Free the global variables that may
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*have been allocated by the parser.
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*/
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xmlCleanupParser();
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return 0;
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}
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#else
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int main(void) {
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fprintf(stderr, "Tree support not compiled in\n");
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exit(1);
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}
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#endif
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