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* configure.in docs/examples/*: starting to add examples. the XSLT
still need to be fixed for web site Daniel
This commit is contained in:
Daniel Veillard
parent
b6022c2ad3
commit
7871d455b3
@ -1,3 +1,8 @@
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Tue Jan 31 19:12:19 CET 2006 Daniel Veillard <veillard@redhat.com>
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* configure.in docs/examples/*: starting to add examples. the XSLT
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still need to be fixed for web site
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Tue Jan 31 11:22:51 CET 2006 Daniel Veillard <veillard@redhat.com>
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* python/*: update of the python bindings, fix names, add
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@ -191,4 +191,5 @@ fi
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rm -f COPYING
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AC_OUTPUT(Makefile src/Makefile include/Makefile docs/Makefile \
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docs/examples/Makefile \
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libvir.pc libvir.spec include/libvir.h python/Makefile)
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34
docs/examples/Makefile.am
Normal file
34
docs/examples/Makefile.am
Normal file
@ -0,0 +1,34 @@
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# Beware this is autogenerated by index.py
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INCLUDES = -I$(top_builddir)/include -I$(top_srcdir)/include -I@srcdir@/include
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DEPS = $(top_builddir)/src/libvir.la
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LDADDS = @STATIC_BINARIES@ $(top_builddir)/src/libvir.la
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rebuild: examples.xml index.html
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examples.xml: index.py *.c
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-@($(srcdir)/index.py)
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index.html: examples.xml examples.xsl
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-@(xsltproc examples.xsl examples.xml && echo "Rebuilt web page" && xmllint --valid --noout index.html)
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install-data-local:
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$(mkinstalldirs) $(DESTDIR)$(HTML_DIR)
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-@INSTALL@ -m 0644 $(srcdir)/*.html $(srcdir)/*.c $(srcdir)/*.xml $(srcdir)/*.xsl $(srcdir)/*.res $(DESTDIR)$(HTML_DIR)
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EXTRA_DIST=examples.xsl index.py examples.xml
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noinst_PROGRAMS=info1
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info1_SOURCES=info1.c
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info1_LDFLAGS=
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info1_DEPENDENCIES= $(DEPS)
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info1_LDADD= $(LDADDS)
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valgrind:
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$(MAKE) CHECKER='valgrind' tests
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tests: $(noinst_PROGRAMS)
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@(echo '## examples regression tests')
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@($(CHECKER) ./info1)
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46
docs/examples/examples.xml
Normal file
46
docs/examples/examples.xml
Normal file
@ -0,0 +1,46 @@
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<examples>
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<example filename='info1.c'>
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<synopsis>Extract informations about Xen domain 0</synopsis>
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<purpose>Demonstrate the basic use of the library to connect to the hypervisor and extract domain informations.</purpose>
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<usage>info1</usage>
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<test>info1</test>
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<author>Daniel Veillard</author>
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<copy>see Copyright for the status of this software. </copy>
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<section>Informations</section>
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<includes>
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</includes>
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<uses>
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<function line='43' file='libvir' name='virDomainGetInfo'/>
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<function line='53' file='libvir' name='virDomainFree'/>
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<function line='36' file='libvir' name='virDomainLookupByID'/>
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<function line='55' file='libvir' name='virConnectClose'/>
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<struct line='25' file='libvir' name='virDomainInfo'/>
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<function line='29' file='libvir' name='virConnectOpenReadOnly'/>
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</uses>
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</example>
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<symbols>
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<symbol name='virConnectClose'>
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<ref filename='info1.c'/>
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</symbol>
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<symbol name='virConnectOpenReadOnly'>
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<ref filename='info1.c'/>
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</symbol>
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<symbol name='virDomainFree'>
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<ref filename='info1.c'/>
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</symbol>
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<symbol name='virDomainGetInfo'>
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<ref filename='info1.c'/>
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</symbol>
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<symbol name='virDomainInfo'>
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<ref filename='info1.c'/>
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</symbol>
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<symbol name='virDomainLookupByID'>
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<ref filename='info1.c'/>
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</symbol>
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</symbols>
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<sections>
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<section name='Informations'>
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<example filename='info1.c'/>
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</section>
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</sections>
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</examples>
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174
docs/examples/examples.xsl
Normal file
174
docs/examples/examples.xsl
Normal file
@ -0,0 +1,174 @@
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<?xml version="1.0"?>
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<xsl:stylesheet version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:exsl="http://exslt.org/common"
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extension-element-prefixes="exsl"
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exclude-result-prefixes="exsl">
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<xsl:import href="../site.xsl"/>
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<xsl:variable name="href_base">../</xsl:variable>
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<xsl:variable name="menu_name">Examples Menu</xsl:variable>
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<xsl:variable name="toc">
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<form action="../search.php"
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enctype="application/x-www-form-urlencoded" method="get">
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<input name="query" type="text" size="20" value=""/>
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<input name="submit" type="submit" value="Search ..."/>
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</form>
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<ul><!-- style="margin-left: -1em" -->
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<li><a href="{$href_base}index.html">Home</a></li>
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<li><a style="font-weight:bold"
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href="{$href_base}docs.html">Developer Menu</a></li>
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<li><a style="font-weight:bold"
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href="{$href_base}html/index.html">API Menu</a></li>
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<xsl:for-each select="/examples/sections/section">
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<li><a href="#{@name}"><xsl:value-of select="@name"/> Examples</a></li>
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</xsl:for-each>
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<li><a href="{$href_base}guidelines.html">XML Guidelines</a></li>
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</ul>
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</xsl:variable>
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<xsl:template match="include">
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<xsl:variable name="header" select="substring-before(substring-after(., '/'), '>')"/>
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<xsl:variable name="doc" select="concat('../html/libxml-', $header, 'tml')"/>
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<li><a href="{$doc}"><xsl:value-of select="."/></a></li>
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</xsl:template>
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<xsl:template match="typedef">
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<xsl:variable name="name" select="@name"/>
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<xsl:variable name="header" select="concat(@file, '.h')"/>
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<xsl:variable name="doc" select="concat('../html/libxml-', @file, '.html#', $name)"/>
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<li> line <xsl:value-of select="@line"/>: Type <a href="{$doc}"><xsl:value-of select="$name"/></a> from <xsl:value-of select="$header"/></li>
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</xsl:template>
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<xsl:template match="function">
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<xsl:variable name="name" select="@name"/>
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<xsl:variable name="header" select="concat(@file, '.h')"/>
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<xsl:variable name="doc" select="concat('../html/libxml-', @file, '.html#', $name)"/>
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<li> line <xsl:value-of select="@line"/>: Function <a href="{$doc}"><xsl:value-of select="$name"/></a> from <xsl:value-of select="$header"/></li>
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</xsl:template>
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<xsl:template match="macro">
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<xsl:variable name="name" select="@name"/>
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<xsl:variable name="header" select="concat(@file, '.h')"/>
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<xsl:variable name="doc" select="concat('../html/libxml-', @file, '.html#', $name)"/>
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<li> line <xsl:value-of select="@line"/>: Macro <a href="{$doc}"><xsl:value-of select="$name"/></a> from <xsl:value-of select="$header"/></li>
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</xsl:template>
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<xsl:template match="example">
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<xsl:variable name="filename" select="string(@filename)"/>
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<h3><a name="{$filename}" href="{$filename}"><xsl:value-of select="$filename"/></a>: <xsl:value-of select="synopsis"/></h3>
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<p><xsl:value-of select="purpose"/></p>
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<p>Includes:</p>
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<ul>
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<xsl:for-each select="includes/include">
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<xsl:apply-templates select='.'/>
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</xsl:for-each>
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</ul>
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<p>Uses:</p>
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<ul>
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<xsl:for-each select="uses/*">
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<xsl:sort select="@line" data-type="number"/>
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<xsl:apply-templates select='.'/>
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</xsl:for-each>
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</ul>
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<p>Usage:</p>
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<p><xsl:value-of select="usage"/></p>
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<p>Author: <xsl:value-of select="author"/></p>
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</xsl:template>
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<xsl:template match="section">
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<li><p> <a href="#{@name}"><xsl:value-of select="@name"/></a> :</p>
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<ul>
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<xsl:for-each select="example">
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<xsl:sort select='.'/>
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<xsl:variable name="filename" select="@filename"/>
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<li> <a href="#{$filename}"><xsl:value-of select="$filename"/></a>: <xsl:value-of select="/examples/example[@filename = $filename]/synopsis"/></li>
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</xsl:for-each>
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</ul>
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</li>
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</xsl:template>
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<xsl:template match="sections">
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<p> The examples are stored per section depending on the main focus
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of the example:</p>
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<ul>
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<xsl:for-each select="section">
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<xsl:sort select='.'/>
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<xsl:apply-templates select='.'/>
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</xsl:for-each>
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</ul>
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<p> Getting the compilation options and libraries dependancies needed
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to generate binaries from the examples is best done on Linux/Unix by using
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the xml2-config script which should have been installed as part of <i>make
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install</i> step or when installing the libxml2 development package:</p>
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<pre>gcc -o example `xml2-config --cflags` example.c `xml2-config --libs`</pre>
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</xsl:template>
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<xsl:template name="sections-list">
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<xsl:for-each select="sections/section">
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<xsl:variable name="section" select="@name"/>
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<h2> <a name="{$section}"></a><xsl:value-of select="$section"/> Examples</h2>
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<xsl:apply-templates select='/examples/example[section = $section]'/>
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</xsl:for-each>
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</xsl:template>
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<xsl:template match="examples">
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<xsl:variable name="title">Libxml2 set of examples</xsl:variable>
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<xsl:document href="index.html" method="xml" encoding="ISO-8859-1"
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doctype-public="-//W3C//DTD XHTML 1.0 Transitional//EN"
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doctype-system="http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html>
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<head>
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<xsl:call-template name="style"/>
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<xsl:element name="title">
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<xsl:value-of select="$title"/>
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</xsl:element>
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</head>
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<body bgcolor="#8b7765" text="#000000" link="#000000" vlink="#000000">
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<xsl:call-template name="titlebox">
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<xsl:with-param name="title" select="$title"/>
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</xsl:call-template>
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<table border="0" cellpadding="4" cellspacing="0" width="100%" align="center">
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<tr>
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<td bgcolor="#8b7765">
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<table border="0" cellspacing="0" cellpadding="2" width="100%">
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<tr>
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<td valign="top" width="200" bgcolor="#8b7765">
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<xsl:call-template name="toc"/>
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</td>
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<td valign="top" bgcolor="#8b7765">
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<table border="0" cellspacing="0" cellpadding="1" width="100%">
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<tr>
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<td>
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<table border="0" cellspacing="0" cellpadding="1" width="100%" bgcolor="#000000">
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<tr>
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<td>
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<table border="0" cellpadding="3" cellspacing="1" width="100%">
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<tr>
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<td bgcolor="#fffacd">
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<xsl:apply-templates select="sections"/>
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<xsl:call-template name="sections-list"/>
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<p><a href="../bugs.html">Daniel Veillard</a></p>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</body>
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</html>
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</xsl:document>
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</xsl:template>
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</xsl:stylesheet>
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298
docs/examples/index.py
Executable file
298
docs/examples/index.py
Executable file
@ -0,0 +1,298 @@
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#!/usr/bin/python -u
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#
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# Indexes the examples and build an XML description
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#
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import string
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import glob
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import sys
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try:
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import libxml2
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except:
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sys.exit(1)
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sys.path.insert(0, "..")
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from apibuild import CParser, escape
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examples = []
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extras = ['examples.xsl', 'index.py']
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tests = []
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sections = {}
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symbols = {}
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api_dict = None
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api_doc = None
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def load_api():
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global api_dict
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global api_doc
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if api_dict != None:
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return
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api_dict = {}
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try:
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print "loading ../libvir-api.xml"
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api_doc = libxml2.parseFile("../libvir-api.xml")
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except:
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print "failed to parse ../libvir-api.xml"
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sys.exit(1)
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||||
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||||
def find_symbol(name):
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global api_dict
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||||
global api_doc
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||||
if api_doc == None:
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load_api()
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||||
if name == None:
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||||
return
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if api_dict.has_key(name):
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return api_dict[name]
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ctxt = api_doc.xpathNewContext()
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res = ctxt.xpathEval("/api/symbols/*[@name = '%s']" % (name))
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if type(res) == type([]) and len(res) >= 1:
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if len(res) > 1:
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print "Found %d references to %s in the API" % (len(res), name)
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node = res[0]
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typ = node.name
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file = node.xpathEval("string(@file)")
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info = node.xpathEval("string(info)")
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||||
else:
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||||
print "Reference %s not found in the API" % (name)
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return None
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||||
ret = (typ, file, info)
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api_dict[name] = ret
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return ret
|
||||
|
||||
def parse_top_comment(filename, comment):
|
||||
res = {}
|
||||
lines = string.split(comment, "\n")
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||||
item = None
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||||
for line in lines:
|
||||
while line != "" and (line[0] == ' ' or line[0] == '\t'):
|
||||
line = line[1:]
|
||||
while line != "" and line[0] == '*':
|
||||
line = line[1:]
|
||||
while line != "" and (line[0] == ' ' or line[0] == '\t'):
|
||||
line = line[1:]
|
||||
try:
|
||||
(it, line) = string.split(line, ":", 1)
|
||||
item = it
|
||||
while line != "" and (line[0] == ' ' or line[0] == '\t'):
|
||||
line = line[1:]
|
||||
if res.has_key(item):
|
||||
res[item] = res[item] + " " + line
|
||||
else:
|
||||
res[item] = line
|
||||
except:
|
||||
if item != None:
|
||||
if res.has_key(item):
|
||||
res[item] = res[item] + " " + line
|
||||
else:
|
||||
res[item] = line
|
||||
return res
|
||||
|
||||
def parse(filename, output):
|
||||
global symbols
|
||||
global sections
|
||||
|
||||
parser = CParser(filename)
|
||||
parser.collect_references()
|
||||
idx = parser.parse()
|
||||
info = parse_top_comment(filename, parser.top_comment)
|
||||
output.write(" <example filename='%s'>\n" % filename)
|
||||
try:
|
||||
synopsis = info['synopsis']
|
||||
output.write(" <synopsis>%s</synopsis>\n" % escape(synopsis));
|
||||
except:
|
||||
print "Example %s lacks a synopsis description" % (filename)
|
||||
try:
|
||||
purpose = info['purpose']
|
||||
output.write(" <purpose>%s</purpose>\n" % escape(purpose));
|
||||
except:
|
||||
print "Example %s lacks a purpose description" % (filename)
|
||||
try:
|
||||
usage = info['usage']
|
||||
output.write(" <usage>%s</usage>\n" % escape(usage));
|
||||
except:
|
||||
print "Example %s lacks an usage description" % (filename)
|
||||
try:
|
||||
test = info['test']
|
||||
output.write(" <test>%s</test>\n" % escape(test));
|
||||
progname=filename[0:-2]
|
||||
command=string.replace(test, progname, './' + progname, 1)
|
||||
tests.append(command)
|
||||
except:
|
||||
pass
|
||||
try:
|
||||
author = info['author']
|
||||
output.write(" <author>%s</author>\n" % escape(author));
|
||||
except:
|
||||
print "Example %s lacks an author description" % (filename)
|
||||
try:
|
||||
copy = info['copy']
|
||||
output.write(" <copy>%s</copy>\n" % escape(copy));
|
||||
except:
|
||||
print "Example %s lacks a copyright description" % (filename)
|
||||
try:
|
||||
section = info['section']
|
||||
output.write(" <section>%s</section>\n" % escape(section));
|
||||
if sections.has_key(section):
|
||||
sections[section].append(filename)
|
||||
else:
|
||||
sections[section] = [filename]
|
||||
except:
|
||||
print "Example %s lacks a section description" % (filename)
|
||||
for topic in info.keys():
|
||||
if topic != "purpose" and topic != "usage" and \
|
||||
topic != "author" and topic != "copy" and \
|
||||
topic != "section" and topic != "synopsis" and topic != "test":
|
||||
str = info[topic]
|
||||
output.write(" <extra topic='%s'>%s</extra>\n" % (
|
||||
escape(topic), escape(str)))
|
||||
output.write(" <includes>\n")
|
||||
for include in idx.includes.keys():
|
||||
if include.find("libxml") != -1:
|
||||
output.write(" <include>%s</include>\n" % (escape(include)))
|
||||
output.write(" </includes>\n")
|
||||
output.write(" <uses>\n")
|
||||
for ref in idx.references.keys():
|
||||
id = idx.references[ref]
|
||||
name = id.get_name()
|
||||
line = id.get_lineno()
|
||||
if symbols.has_key(name):
|
||||
sinfo = symbols[name]
|
||||
refs = sinfo[0]
|
||||
# gather at most 5 references per symbols
|
||||
if refs > 5:
|
||||
continue
|
||||
sinfo.append(filename)
|
||||
sinfo[0] = refs + 1
|
||||
else:
|
||||
symbols[name] = [1, filename]
|
||||
info = find_symbol(name)
|
||||
if info != None:
|
||||
type = info[0]
|
||||
file = info[1]
|
||||
output.write(" <%s line='%d' file='%s' name='%s'/>\n" % (type,
|
||||
line, file, name))
|
||||
else:
|
||||
type = id.get_type()
|
||||
output.write(" <%s line='%d' name='%s'/>\n" % (type,
|
||||
line, name))
|
||||
|
||||
output.write(" </uses>\n")
|
||||
output.write(" </example>\n")
|
||||
|
||||
return idx
|
||||
|
||||
def dump_symbols(output):
|
||||
global symbols
|
||||
|
||||
output.write(" <symbols>\n")
|
||||
keys = symbols.keys()
|
||||
keys.sort()
|
||||
for symbol in keys:
|
||||
output.write(" <symbol name='%s'>\n" % (symbol))
|
||||
info = symbols[symbol]
|
||||
i = 1
|
||||
while i < len(info):
|
||||
output.write(" <ref filename='%s'/>\n" % (info[i]))
|
||||
i = i + 1
|
||||
output.write(" </symbol>\n")
|
||||
output.write(" </symbols>\n")
|
||||
|
||||
def dump_sections(output):
|
||||
global sections
|
||||
|
||||
output.write(" <sections>\n")
|
||||
keys = sections.keys()
|
||||
keys.sort()
|
||||
for section in keys:
|
||||
output.write(" <section name='%s'>\n" % (section))
|
||||
info = sections[section]
|
||||
i = 0
|
||||
while i < len(info):
|
||||
output.write(" <example filename='%s'/>\n" % (info[i]))
|
||||
i = i + 1
|
||||
output.write(" </section>\n")
|
||||
output.write(" </sections>\n")
|
||||
|
||||
def dump_Makefile():
|
||||
for file in glob.glob('*.xml'):
|
||||
extras.append(file)
|
||||
for file in glob.glob('*.res'):
|
||||
extras.append(file)
|
||||
Makefile="""# Beware this is autogenerated by index.py
|
||||
INCLUDES = -I$(top_builddir)/include -I$(top_srcdir)/include -I@srcdir@/include
|
||||
DEPS = $(top_builddir)/src/libvir.la
|
||||
LDADDS = @STATIC_BINARIES@ $(top_builddir)/src/libvir.la
|
||||
|
||||
rebuild: examples.xml index.html
|
||||
|
||||
examples.xml: index.py *.c
|
||||
-@($(srcdir)/index.py)
|
||||
|
||||
index.html: examples.xml examples.xsl
|
||||
-@(xsltproc examples.xsl examples.xml && echo "Rebuilt web page" && xmllint --valid --noout index.html)
|
||||
|
||||
install-data-local:
|
||||
$(mkinstalldirs) $(DESTDIR)$(HTML_DIR)
|
||||
-@INSTALL@ -m 0644 $(srcdir)/*.html $(srcdir)/*.c $(srcdir)/*.xml $(srcdir)/*.xsl $(srcdir)/*.res $(DESTDIR)$(HTML_DIR)
|
||||
|
||||
"""
|
||||
EXTRA_DIST=""
|
||||
for extra in extras:
|
||||
EXTRA_DIST = EXTRA_DIST + extra + " "
|
||||
Makefile = Makefile + "EXTRA_DIST=%s\n\n" % (EXTRA_DIST)
|
||||
noinst_PROGRAMS=""
|
||||
for example in examples:
|
||||
noinst_PROGRAMS = noinst_PROGRAMS + example + " "
|
||||
Makefile = Makefile + "noinst_PROGRAMS=%s\n\n" % (noinst_PROGRAMS)
|
||||
for example in examples:
|
||||
Makefile = Makefile + "%s_SOURCES=%s.c\n%s_LDFLAGS=\n%s_DEPENDENCIES= $(DEPS)\n%s_LDADD= $(LDADDS)\n\n" % (example, example, example,
|
||||
example, example)
|
||||
Makefile = Makefile + "valgrind: \n\t$(MAKE) CHECKER='valgrind' tests\n\n"
|
||||
Makefile = Makefile + "tests: $(noinst_PROGRAMS)\n"
|
||||
Makefile = Makefile + "\t@(echo '## examples regression tests')\n"
|
||||
# Makefile = Makefile + "\t@(echo > .memdump)\n"
|
||||
for test in tests:
|
||||
Makefile = Makefile + "\t@($(CHECKER) %s)\n" % (test)
|
||||
# Makefile = Makefile + '\t@(grep "MORY ALLO" .memdump | grep -v "MEMORY ALLOCATED : 0" ; exit 0)\n'
|
||||
Makefile = Makefile + "\n\n"
|
||||
try:
|
||||
old = open("Makefile.am", "r").read()
|
||||
if old != Makefile:
|
||||
n = open("Makefile.am", "w").write(Makefile)
|
||||
print "Updated Makefile.am"
|
||||
except:
|
||||
print "Failed to read or save Makefile.am"
|
||||
#
|
||||
# Autogenerate the .cvsignore too ...
|
||||
#
|
||||
ignore = """.memdump
|
||||
Makefile.in
|
||||
Makefile
|
||||
"""
|
||||
for example in examples:
|
||||
ignore = ignore + "%s\n" % (example)
|
||||
try:
|
||||
old = open(".cvsignore", "r").read()
|
||||
if old != ignore:
|
||||
n = open(".cvsignore", "w").write(ignore)
|
||||
print "Updated .cvsignore"
|
||||
except:
|
||||
print "Failed to read or save .cvsignore"
|
||||
|
||||
if __name__ == "__main__":
|
||||
load_api()
|
||||
output = open("examples.xml", "w")
|
||||
output.write("<examples>\n")
|
||||
|
||||
for file in glob.glob('*.c'):
|
||||
parse(file, output)
|
||||
examples.append(file[:-2])
|
||||
|
||||
dump_symbols(output)
|
||||
dump_sections(output)
|
||||
output.write("</examples>\n")
|
||||
output.close()
|
||||
dump_Makefile()
|
||||
|
||||
63
docs/examples/info1.c
Normal file
63
docs/examples/info1.c
Normal file
@ -0,0 +1,63 @@
|
||||
/**
|
||||
* section: Informations
|
||||
* synopsis: Extract informations about Xen domain 0
|
||||
* purpose: Demonstrate the basic use of the library to connect to the
|
||||
* hypervisor and extract domain informations.
|
||||
* usage: info1
|
||||
* test: info1
|
||||
* author: Daniel Veillard
|
||||
* copy: see Copyright for the status of this software.
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <libvir.h>
|
||||
|
||||
/**
|
||||
* getDomainInfo:
|
||||
* @id: the id of the domain
|
||||
*
|
||||
* extract the domain 0 informations
|
||||
*/
|
||||
static void
|
||||
getDomainInfo(int id) {
|
||||
virConnectPtr conn = NULL; /* the hypervisor connection */
|
||||
virDomainPtr dom = NULL; /* the domain being checked */
|
||||
virDomainInfo info; /* the informations being fetched */
|
||||
int ret;
|
||||
|
||||
/* NULL means connect to local Xen hypervisor */
|
||||
conn = virConnectOpenReadOnly(NULL);
|
||||
if (conn == NULL) {
|
||||
fprintf(stderr, "Failed to connect to hypervisor\n");
|
||||
goto error;
|
||||
}
|
||||
|
||||
/* Find the domain of the given id */
|
||||
dom = virDomainLookupByID(conn, id);
|
||||
if (dom == NULL) {
|
||||
fprintf(stderr, "Failed to find Domain %d\n", id);
|
||||
goto error;
|
||||
}
|
||||
|
||||
/* Get the informations */
|
||||
ret = virDomainGetInfo(dom, &info);
|
||||
if (ret < 0) {
|
||||
fprintf(stderr, "Failed to get informations for Domain %d\n", id);
|
||||
goto error;
|
||||
}
|
||||
|
||||
printf("Domains %d: %d CPUs\n", id, info.nrVirtCpu);
|
||||
|
||||
error:
|
||||
if (dom != NULL)
|
||||
virDomainFree(dom);
|
||||
if (conn != NULL)
|
||||
virConnectClose(conn);
|
||||
}
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
|
||||
getDomainInfo(0);
|
||||
|
||||
return(0);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user