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#!/usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2006-2008 (ita)

"Gnome support"

import os, re
import TaskGen, Utils, Runner, Task, Build, Options, Logs
import cc
from Logs import error
from TaskGen import taskgen, before, after, feature

n1_regexp = re.compile('<refentrytitle>(.*)</refentrytitle>', re.M)
n2_regexp = re.compile('<manvolnum>(.*)</manvolnum>', re.M)

def postinstall_schemas(prog_name):
      if Build.bld.is_install:
            dir = Build.bld.get_install_path('${PREFIX}/etc/gconf/schemas/%s.schemas' % prog_name)
            if not Options.options.destdir:
                  # add the gconf schema
                  Utils.pprint('YELLOW', 'Installing GConf schema')
                  command = 'gconftool-2 --install-schema-file=%s 1> /dev/null' % dir
                  ret = Utils.exec_command(command)
                  Utils.pprint('YELLOW', 'GConf schema not installed. After install, run this:')
                  Utils.pprint('YELLOW', 'gconftool-2 --install-schema-file=%s' % dir)

def postinstall_icons():
      dir = Build.bld.get_install_path('${DATADIR}/icons/hicolor')
      if Build.bld.is_install:
            if not Options.options.destdir:
                  # update the pixmap cache directory
                  Utils.pprint('YELLOW', "Updating Gtk icon cache.")
                  command = 'gtk-update-icon-cache -q -f -t %s' % dir
                  ret = Utils.exec_command(command)
                  Utils.pprint('YELLOW', 'Icon cache not updated. After install, run this:')
                  Utils.pprint('YELLOW', 'gtk-update-icon-cache -q -f -t %s' % dir)

def postinstall_scrollkeeper(prog_name):
      if Build.bld.is_install:
            # now the scrollkeeper update if we can write to the log file
            if os.access('/var/log/scrollkeeper.log', os.W_OK):
                  dir1 = Build.bld.get_install_path('${PREFIX}/var/scrollkeeper')
                  dir2 = Build.bld.get_install_path('${DATADIR}/omf/%s' % prog_name)
                  command = 'scrollkeeper-update -q -p %s -o %s' % (dir1, dir2)
                  ret = Utils.exec_command(command)

def postinstall(prog_name='myapp', schemas=1, icons=1, scrollkeeper=1):
      if schemas: postinstall_schemas(prog_name)
      if icons: postinstall_icons()
      if scrollkeeper: postinstall_scrollkeeper(prog_name)

class gnome_doc_taskgen(TaskGen.task_gen):
      def __init__(self, *k, **kw):
            TaskGen.task_gen.__init__(self, *k, **kw)

def init_gnome_doc(self):
      self.default_install_path = '${PREFIX}/share'

def apply_gnome_doc(self):
      self.env['APPNAME'] = self.doc_module
      lst = self.to_list(self.doc_linguas)
      bld = self.bld
      for x in lst:
            tsk = self.create_task('xml2po')
            node = self.path.find_resource(x+'/'+x+'.po')
            src = self.path.find_resource('C/%s.xml' % self.doc_module)
            out = self.path.find_or_declare('%s/%s.xml' % (x, self.doc_module))
            tsk.set_inputs([node, src])

            tsk2 = self.create_task('xsltproc2po')
            out2 = self.path.find_or_declare('%s/%s-%s.omf' % (x, self.doc_module, x))
            node = self.path.find_resource(self.doc_module+".omf.in")
            tsk2.inputs = [node, out]


            if bld.is_install:
                  path = self.install_path + 'gnome/help/%s/%s' % (self.doc_module, x)
                  bld.install_files(self.install_path + 'omf', out2, env=self.env)
                  for y in self.to_list(self.doc_figures):
                              os.stat(self.path.abspath() + '/' + x + '/' + y)
                              bld.install_as(path + '/' + y, self.path.abspath() + '/' + x + '/' + y)
                              bld.install_as(path + '/' + y, self.path.abspath() + '/C/' + y)
                  bld.install_as(path + '/%s.xml' % self.doc_module, out.abspath(self.env))

class xml_to_taskgen(TaskGen.task_gen):
      def __init__(self, *k, **kw):
            TaskGen.task_gen.__init__(self, *k, **kw)

def init_xml_to(self):
            source = 'xmlfile',
            xslt = 'xlsltfile',
            target = 'hey',
            default_install_path = '${PREFIX}',
            task_created = None)

def apply_xml_to(self):
      xmlfile = self.path.find_resource(self.source)
      xsltfile = self.path.find_resource(self.xslt)
      tsk = self.create_task('xmlto', [xmlfile, xsltfile], xmlfile.change_ext('html'))
      tsk.install_path = self.install_path

def sgml_scan(self):
      node = self.inputs[0]

      env = self.env
      variant = node.variant(env)

      fi = open(node.abspath(env), 'r')
      content = fi.read()

      # we should use a sgml parser :-/
      name = n1_regexp.findall(content)[0]
      num = n2_regexp.findall(content)[0]

      doc_name = name+'.'+num

      if not self.outputs:
            self.outputs = [self.generator.path.find_or_declare(doc_name)]

      return ([], [doc_name])

class gnome_sgml2man_taskgen(TaskGen.task_gen):
      def __init__(self, *k, **kw):
            TaskGen.task_gen.__init__(self, *k, **kw)

def apply_gnome_sgml2man(self):
      we could make it more complicated, but for now we just scan the document each time
      assert(getattr(self, 'appname', None))

      def install_result(task):
            out = task.outputs[0]
            name = out.name
            ext = name[-1]
            env = task.env
            self.bld.install_files('${DATADIR}/man/man%s/' % ext, out, env)

      for name in self.bld.cache_dir_contents[self.path.id]:
            base, ext = os.path.splitext(name)
            if ext != '.sgml': continue

            task = self.create_task('sgml2man')
            task.task_generator = self
            if self.bld.is_install: task.install = install_result
            # no outputs, the scanner does it
            # no caching for now, this is not a time-critical feature
            # in the future the scanner can be used to do more things (find dependencies, etc)

cls = Task.simple_task_type('sgml2man', '${SGML2MAN} -o ${TGT[0].bld_dir(env)} ${SRC}  > /dev/null', color='BLUE')
cls.scan = sgml_scan
cls.quiet = 1

Task.simple_task_type('xmlto', '${XMLTO} html -m ${SRC[1].abspath(env)} ${SRC[0].abspath(env)}')

Task.simple_task_type('xml2po', '${XML2PO} ${XML2POFLAGS} ${SRC} > ${TGT}', color='BLUE')

# how do you expect someone to understand this?!
xslt_magic = """${XSLTPROC2PO} -o ${TGT[0].abspath(env)} \
--stringparam db2omf.basename ${APPNAME} \
--stringparam db2omf.format docbook \
--stringparam db2omf.lang C \
--stringparam db2omf.dtd '-//OASIS//DTD DocBook XML V4.3//EN' \
--stringparam db2omf.omf_dir ${PREFIX}/share/omf \
--stringparam db2omf.help_dir ${PREFIX}/share/gnome/help \
--stringparam db2omf.omf_in ${SRC[0].abspath(env)} \
--stringparam db2omf.scrollkeeper_cl ${SCROLLKEEPER_DATADIR}/Templates/C/scrollkeeper_cl.xml \
${DB2OMF} ${SRC[1].abspath(env)}"""

#--stringparam db2omf.dtd '-//OASIS//DTD DocBook XML V4.3//EN' \
Task.simple_task_type('xsltproc2po', xslt_magic, color='BLUE')

def detect(conf):
      conf.check_tool('gnu_dirs glib2 dbus')
      sgml2man = conf.find_program('docbook2man', var='SGML2MAN')

      def getstr(varname):
            return getattr(Options.options, varname, '')

      # addefine also sets the variable to the env
      conf.define('GNOMELOCALEDIR', os.path.join(conf.env['DATADIR'], 'locale'))

      xml2po = conf.find_program('xml2po', var='XML2PO')
      xsltproc2po = conf.find_program('xsltproc', var='XSLTPROC2PO')
      conf.env['XML2POFLAGS'] = '-e -p'
      conf.env['SCROLLKEEPER_DATADIR'] = Utils.cmd_output("scrollkeeper-config --pkgdatadir", silent=1).strip()
      conf.env['DB2OMF'] = Utils.cmd_output("/usr/bin/pkg-config --variable db2omf gnome-doc-utils", silent=1).strip()

def set_options(opt):
      opt.add_option('--want-rpath', type='int', default=1, dest='want_rpath', help='set rpath to 1 or 0 [Default 1]')

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