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linux/Documentation/DocBook/media/Makefile
Mauro Carvalho Chehab 2695e66f94 [media] DocBook: handle enums on frontend.h 
In order to be sure that all enum definitions will be documented,
let's parse the enum values and add xref links to them.

Lots of missing references will be risen as we miss adding
id's to those symbols at the documentation. Next patches will
fix this.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-06-09 17:47:29 -03:00

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###
# Media build rules - Auto-generates media contents/indexes and *.h xml's
#
SHELL=/bin/bash
MEDIA_OBJ_DIR=$(objtree)/Documentation/DocBook/
MEDIA_SRC_DIR=$(srctree)/Documentation/DocBook/media
MEDIA_TEMP = media-entities.tmpl \
media-indices.tmpl \
videodev2.h.xml \
v4l2.xml \
audio.h.xml \
ca.h.xml \
dmx.h.xml \
frontend.h.xml \
net.h.xml \
video.h.xml \
IMGFILES := $(patsubst %.b64,%, $(notdir $(shell ls $(MEDIA_SRC_DIR)/*.b64)))
OBJIMGFILES := $(addprefix $(MEDIA_OBJ_DIR)/, $(IMGFILES))
GENFILES := $(addprefix $(MEDIA_OBJ_DIR)/, $(MEDIA_TEMP))
PHONY += cleanmediadocs
cleanmediadocs:
-@rm -f `find $(MEDIA_OBJ_DIR) -type l` $(GENFILES) $(OBJIMGFILES) 2>/dev/null
$(obj)/media_api.xml: $(GENFILES) FORCE
#$(MEDIA_OBJ_DIR)/media_api.html: $(MEDIA_OBJ_DIR)/media_api.xml
#$(MEDIA_OBJ_DIR)/media_api.pdf: $(MEDIA_OBJ_DIR)/media_api.xml
#$(MEDIA_OBJ_DIR)/media_api.ps: $(MEDIA_OBJ_DIR)/media_api.xml
V4L_SGMLS = \
$(shell ls $(MEDIA_SRC_DIR)/v4l/*.xml|perl -ne 'print "$$1 " if (m,.*/(.*)\n,)') \
capture.c.xml \
keytable.c.xml \
v4l2grab.c.xml
DVB_SGMLS = \
$(shell ls $(MEDIA_SRC_DIR)/dvb/*.xml|perl -ne 'print "$$1 " if (m,.*/(.*)\n,)')
MEDIA_SGMLS = $(addprefix ./,$(V4L_SGMLS)) $(addprefix ./,$(DVB_SGMLS)) $(addprefix ./,$(MEDIA_TEMP))
FUNCS = \
close \
ioctl \
mmap \
munmap \
open \
poll \
read \
select \
write \
IOCTLS = \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/audio.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/ca.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/dmx.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/frontend.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([A-Z][^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/net.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/video.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/media.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/v4l2-subdev.h) \
DEFINES = \
$(shell perl -ne 'print "$$1 " if /\#define\s+(DTV_[^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/frontend.h) \
TYPES = \
$(shell perl -ne 'print "$$1 " if /^typedef\s+.*\s+(\S+)\;/' $(srctree)/include/uapi/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if /^typedef\s+.*\s+(\S+)\;/' $(srctree)/include/uapi/linux/dvb/frontend.h)
ENUMS = \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' \
$(srctree)/include/uapi/linux/videodev2.h \
$(srctree)/include/uapi/linux/dvb/audio.h \
$(srctree)/include/uapi/linux/dvb/ca.h \
$(srctree)/include/uapi/linux/dvb/dmx.h \
$(srctree)/include/uapi/linux/dvb/frontend.h \
$(srctree)/include/uapi/linux/dvb/net.h \
$(srctree)/include/uapi/linux/dvb/video.h \
$(srctree)/include/uapi/linux/media.h \
$(srctree)/include/uapi/linux/v4l2-mediabus.h \
$(srctree)/include/uapi/linux/v4l2-subdev.h)
ENUM_DEFS = \
$(shell perl -e 'while (<>) { if ($$enum) {print "$$1\n" if (/\s*([A-Z]\S+)\b/); } $$enum = 0 if ($enum && /^\}/); $$enum = 1 if(/^\s*enum\s/); }' \
$(srctree)/include/uapi/linux/dvb/audio.h \
$(srctree)/include/uapi/linux/dvb/ca.h \
$(srctree)/include/uapi/linux/dvb/dmx.h \
$(srctree)/include/uapi/linux/dvb/frontend.h \
$(srctree)/include/uapi/linux/dvb/net.h \
$(srctree)/include/uapi/linux/dvb/video.h)
STRUCTS = \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s\{]+)\s*/)' $(srctree)/include/uapi/linux/dvb/audio.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/ca.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/dmx.h) \
$(shell perl -ne 'print "$$1 " if (!/dtv\_cmds\_h/ && /^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/frontend.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/ && !/_old/)' $(srctree)/include/uapi/linux/dvb/net.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/video.h) \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/media.h) \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-subdev.h) \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-mediabus.h)
ERRORS = \
E2BIG \
EACCES \
EAGAIN \
EBADF \
EBADFD \
EBADR \
EBADRQC \
EBUSY \
ECHILD \
ECONNRESET \
EDEADLK \
EDOM \
EEXIST \
EFAULT \
EFBIG \
EILSEQ \
EINIT \
EINPROGRESS \
EINTR \
EINVAL \
EIO \
EMFILE \
ENFILE \
ENOBUFS \
ENODATA \
ENODEV \
ENOENT \
ENOIOCTLCMD \
ENOMEM \
ENOSPC \
ENOSR \
ENOSYS \
ENOTSUP \
ENOTSUPP \
ENOTTY \
ENXIO \
EOPNOTSUPP \
EOVERFLOW \
EPERM \
EPIPE \
EPROTO \
ERANGE \
EREMOTE \
EREMOTEIO \
ERESTART \
ERESTARTSYS \
ESHUTDOWN \
ESPIPE \
ETIME \
ETIMEDOUT \
EUSERS \
EWOULDBLOCK \
EXDEV \
ESCAPE = \
-e "s/&/\\&amp;/g" \
-e "s/</\\&lt;/g" \
-e "s/>/\\&gt;/g"
FILENAME = \
-e s,"^[^\/]*/",, \
-e s/"\\.xml"// \
-e s/"\\.tmpl"// \
-e s/\\\./-/g \
-e s/"^func-"// \
-e s/"^pixfmt-"// \
-e s/"^vidioc-"//
# Generate references to these structs in videodev2.h.xml.
DOCUMENTED = \
-e "s/\(enum *\)v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1<link linkend=\"\2\">v4l2_mpeg_cx2341x_video_\2<\/link>/g" \
-e "s/\(\(enum\|struct\) *\)\(v4l2_[a-zA-Z0-9_]*\)/\1<link linkend=\"\3\">\3<\/link>/g" \
-e "s/\(V4L2_PIX_FMT_[A-Z0-9_]\+\)\(\s\+v4l2_fourcc\)/<link linkend=\"\1\">\1<\/link>\2/g" \
-e ":a;s/\(linkend=\".*\)_\(.*\">\)/\1-\2/;ta" \
-e "s/v4l2\-mpeg\-vbi\-ITV0/v4l2-mpeg-vbi-itv0-1/g"
DVB_DOCUMENTED = \
-e "s,\(struct\s\+\)\([a-z0-9_]\+\)\(\s\+{\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
-e "s,\(}\s\+\)\([a-z0-9_]\+_t\+\),\1\<link linkend=\"\2\">\2\<\/link\>,g" \
-e "s,\(define\s\+\)\(DTV_[A-Z0-9_]\+\)\(\s\+[0-9]\+\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
-e "s,<link\s\+linkend=\".*\">\(DTV_IOCTL_MAX_MSGS\|dtv_cmds_h\|__.*_old\)<\/link>,\1,g" \
-e ":a;s/\(linkend=\".*\)_\(.*\">\)/\1-\2/;ta" \
-e "s,\(audio-mixer\|audio-karaoke\|audio-status\|ca-slot-info\|ca-descr-info\|ca-caps\|ca-msg\|ca-descr\|ca-pid\|dmx-filter\|dmx-caps\|video-system\|video-highlight\|video-spu\|video-spu-palette\|video-navi-pack\)-t,\1,g" \
-e "s,DTV-ISDBT-LAYER[A-C],DTV-ISDBT-LAYER,g" \
-e "s,\(define\s\+\)\([A-Z0-9_]\+\)\(\s\+_IO\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
-e "s,\(define\s\+\)\(DTV_[A-Z0-9_]\+\)\(\s\+\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
-e "s,<link\s\+linkend=\".*\">\(__.*_OLD\)<\/link>,\1,g" \
-e "s/\(linkend\=\"\)FE_SET_PROPERTY/\1FE_GET_PROPERTY/g" \
-e "s,<link\s\+linkend=\".*\">\(DTV_ISDBS_TS_ID_LEGACY\|DTV_MAX_COMMAND\|DTV_IOCTL_MAX_MSGS\)<\/link>,\1,g" \
#
# Media targets and dependencies
#
install_media_images = \
$(Q)-cp $(OBJIMGFILES) $(MEDIA_SRC_DIR)/*.svg $(MEDIA_SRC_DIR)/v4l/*.svg $(MEDIA_OBJ_DIR)/media_api
$(MEDIA_OBJ_DIR)/%: $(MEDIA_SRC_DIR)/%.b64
$(Q)base64 -d $< >$@
$(MEDIA_OBJ_DIR)/v4l2.xml: $(OBJIMGFILES)
@$($(quiet)gen_xml)
@(ln -sf `cd $(MEDIA_SRC_DIR) && /bin/pwd`/v4l/*xml $(MEDIA_OBJ_DIR)/)
@(ln -sf `cd $(MEDIA_SRC_DIR) && /bin/pwd`/dvb/*xml $(MEDIA_OBJ_DIR)/)
$(MEDIA_OBJ_DIR)/videodev2.h.xml: $(srctree)/include/uapi/linux/videodev2.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DOCUMENTED) | \
sed 's/i\.e\./&ie;/') >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/audio.h.xml: $(srctree)/include/uapi/linux/dvb/audio.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DVB_DOCUMENTED) | \
sed 's/i\.e\./&ie;/') >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/ca.h.xml: $(srctree)/include/uapi/linux/dvb/ca.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DVB_DOCUMENTED) | \
sed 's/i\.e\./&ie;/') >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/dmx.h.xml: $(srctree)/include/uapi/linux/dvb/dmx.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DVB_DOCUMENTED) | \
sed 's/i\.e\./&ie;/') >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/frontend.h.xml: $(srctree)/include/uapi/linux/dvb/frontend.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
for ident in $(ENUM_DEFS) ; do \
entity=`echo $$ident | tr _ -` ; \
r="$$r s/([^\w\-])$$ident([^\w\-])/\1\&$$entity\;\2/g;";\
done; \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DVB_DOCUMENTED) | \
sed 's/i\.e\./&ie;/' | \
perl -ne "$$r print $$_;") >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/net.h.xml: $(srctree)/include/uapi/linux/dvb/net.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DVB_DOCUMENTED) | \
sed 's/i\.e\./&ie;/') >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/video.h.xml: $(srctree)/include/uapi/linux/dvb/video.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DVB_DOCUMENTED) | \
sed 's/i\.e\./&ie;/') >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/media-entities.tmpl: $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<!-- Generated file! Do not edit. -->") >$@
@( \
echo -e "\n<!-- Functions -->") >>$@
@( \
for ident in $(FUNCS) ; do \
entity=`echo $$ident | tr _ -` ; \
echo "<!ENTITY func-$$entity \"<link" \
"linkend='func-$$entity'><function>$$ident()</function></link>\">" \
>>$@ ; \
done)
@( \
echo -e "\n<!-- Ioctls -->") >>$@
@( \
for ident in `echo $(IOCTLS) | sed -e "s,VIDIOC_RESERVED,,"`; do\
entity=`echo $$ident | tr _ -` ; \
id=`grep -e "<refname>$$ident" -e "<section id=\"$$ident\"" $$(find $(MEDIA_SRC_DIR) -name *.xml -type f)| sed -r s,"^.*/(.*).xml.*","\1",` ; \
if [ "$$id" != "" ]; then echo "<!ENTITY $$entity \"<link" \
"linkend='$$id'><constant>$$ident</constant></link>\">" \
>>$@ ; else \
echo "Warning: undocumented ioctl: $$ident. Please document it at the media DocBook!" >&2; \
fi; \
done)
@( \
echo -e "\n<!-- Defines -->") >>$@
@( \
for ident in $(DEFINES) ; do \
entity=`echo $$ident | tr _ -` ; \
echo "<!ENTITY $$entity \"<link" \
"linkend='$$entity'><constant>$$ident</constant></link>\">" \
>>$@ ; \
done)
@( \
echo -e "\n<!-- Types -->") >>$@
@( \
for ident in $(TYPES) ; do \
entity=`echo $$ident | tr _ -` ; \
echo "<!ENTITY $$entity \"<link" \
"linkend='$$entity'>$$ident</link>\">" >>$@ ; \
done)
@( \
echo -e "\n<!-- Enums -->") >>$@
@( \
for ident in $(ENUMS) ; do \
entity=`echo $$ident | sed -e "s/v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1/" | tr _ -` ; \
echo "<!ENTITY $$entity \"enum&nbsp;<link" \
"linkend='$$entity'>$$ident</link>\">" >>$@ ; \
done)
@( \
echo -e "\n<!-- Enum definitions -->") >>$@
@( \
for ident in $(ENUM_DEFS) ; do \
entity=`echo $$ident | tr _ -` ; \
echo "<!ENTITY $$entity \"<link" \
"linkend='$$entity'><constant>$$ident</constant></link>\">" \
>>$@ ; \
done)
@( \
echo -e "\n<!-- Structures -->") >>$@
@( \
for ident in $(STRUCTS) ; do \
entity=`echo $$ident | tr _ - | sed s/v4l2-mpeg-vbi-ITV0/v4l2-mpeg-vbi-itv0-1/g` ; \
echo "<!ENTITY $$entity \"struct&nbsp;<link" \
"linkend='$$entity'>$$ident</link>\">" >>$@ ; \
done)
@( \
echo -e "\n<!-- Error Codes -->") >>$@
@( \
for ident in $(ERRORS) ; do \
echo "<!ENTITY $$ident \"<errorcode>$$ident</errorcode>" \
"error code\">" >>$@ ; \
done)
@( \
echo -e "\n<!-- Subsections -->") >>$@
@( \
for file in $(MEDIA_SGMLS) ; do \
entity=`echo "$$file" | sed $(FILENAME) -e s/"^([^-]*)"/sub\1/` ; \
if ! echo "$$file" | \
grep -q -E -e '^(func|vidioc|pixfmt)-' ; then \
echo "<!ENTITY sub-$$entity SYSTEM \"$$file\">" >>$@ ; \
fi ; \
done)
@( \
echo -e "\n<!-- Function Reference -->") >>$@
@( \
for file in $(MEDIA_SGMLS) ; do \
if echo "$$file" | \
grep -q -E -e '(func|vidioc|pixfmt)-' ; then \
entity=`echo "$$file" |sed $(FILENAME)` ; \
echo "<!ENTITY $$entity SYSTEM \"$$file\">" >>$@ ; \
fi ; \
done)
# Jade can auto-generate a list-of-tables, which includes all structs,
# but we only want data types, all types, and sorted please.
$(MEDIA_OBJ_DIR)/media-indices.tmpl: $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<!-- Generated file! Do not edit. -->") >$@
@( \
echo -e "\n<index><title>List of Types</title>") >>$@
@( \
for ident in $(TYPES) ; do \
id=`echo $$ident | tr _ -` ; \
echo "<indexentry><primaryie><link" \
"linkend='$$id'>$$ident</link></primaryie></indexentry>" >>$@ ; \
done)
@( \
for ident in $(ENUMS) ; do \
id=`echo $$ident | sed -e "s/v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1/" | tr _ -`; \
echo "<indexentry><primaryie>enum&nbsp;<link" \
"linkend='$$id'>$$ident</link></primaryie></indexentry>" >>$@ ; \
done)
@( \
for ident in $(STRUCTS) ; do \
id=`echo $$ident | tr _ - | sed s/v4l2-mpeg-vbi-ITV0/v4l2-mpeg-vbi-itv0-1/g` ; \
echo "<indexentry><primaryie>struct&nbsp;<link" \
"linkend='$$id'>$$ident</link></primaryie></indexentry>" >>$@ ; \
done)
@( \
echo "</index>") >>$@
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