1 files changed, 113 insertions, 0 deletions
diff --git a/gr-utils/src/python/modtool/cmakefile_editor.py b/gr-utils/src/python/modtool/cmakefile_editor.py
new file mode 100644
index 000000000..3d90b8d16
--- /dev/null
+++ b/gr-utils/src/python/modtool/cmakefile_editor.py
@@ -0,0 +1,113 @@
+#
+# Copyright 2013 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+""" Edit CMakeLists.txt files """
+
+import re
+
+class CMakeFileEditor(object):
+    """A tool for editing CMakeLists.txt files. """
+    def __init__(self, filename, separator='\n    ', indent='    '):
+        self.filename = filename
+        self.cfile = open(filename, 'r').read()
+        self.separator = separator
+        self.indent = indent
+
+    def append_value(self, entry, value, to_ignore_start='', to_ignore_end=''):
+        """ Add a value to an entry. """
+        regexp = re.compile('(%s\(%s[^()]*?)\s*?(\s?%s)\)' % (entry, to_ignore_start, to_ignore_end),
+                            re.MULTILINE)
+        substi = r'\1' + self.separator + value + r'\2)'
+        (self.cfile, nsubs) = regexp.subn(substi, self.cfile, count=1)
+        return nsubs
+
+    def remove_value(self, entry, value, to_ignore_start='', to_ignore_end=''):
+        """Remove a value from an entry."""
+        regexp = '^\s*(%s\(\s*%s[^()]*?\s*)%s\s*([^()]*%s\s*\))' % (entry, to_ignore_start, value, to_ignore_end)
+        regexp = re.compile(regexp, re.MULTILINE)
+        (self.cfile, nsubs) = re.subn(regexp, r'\1\2', self.cfile, count=1)
+        return nsubs
+
+    def delete_entry(self, entry, value_pattern=''):
+        """Remove an entry from the current buffer."""
+        regexp = '%s\s*\([^()]*%s[^()]*\)[^\n]*\n' % (entry, value_pattern)
+        regexp = re.compile(regexp, re.MULTILINE)
+        (self.cfile, nsubs) = re.subn(regexp, '', self.cfile, count=1)
+        return nsubs
+
+    def write(self):
+        """ Write the changes back to the file. """
+        open(self.filename, 'w').write(self.cfile)
+
+    def remove_double_newlines(self):
+        """Simply clear double newlines from the file buffer."""
+        self.cfile = re.compile('\n\n\n+', re.MULTILINE).sub('\n\n', self.cfile)
+
+    def find_filenames_match(self, regex):
+        """ Find the filenames that match a certain regex
+        on lines that aren't comments """
+        filenames = []
+        reg = re.compile(regex)
+        fname_re = re.compile('[a-zA-Z]\w+\.\w{1,5}$')
+        for line in self.cfile.splitlines():
+            if len(line.strip()) == 0 or line.strip()[0] == '#':
+                continue
+            for word in re.split('[ /)(\t\n\r\f\v]', line):
+                if fname_re.match(word) and reg.search(word):
+                    filenames.append(word)
+        return filenames
+
+    def disable_file(self, fname):
+        """ Comment out a file.
+        Example:
+        add_library(
+            file1.cc
+        )
+
+        Here, file1.cc becomes #file1.cc with disable_file('file1.cc').
+        """
+        starts_line = False
+        for line in self.cfile.splitlines():
+            if len(line.strip()) == 0 or line.strip()[0] == '#':
+                continue
+            if re.search(r'\b'+fname+r'\b', line):
+                if re.match(fname, line.lstrip()):
+                    starts_line = True
+                break
+        comment_out_re = r'#\1' + '\n' + self.indent
+        if not starts_line:
+            comment_out_re = r'\n' + self.indent + comment_out_re
+        (self.cfile, nsubs) = re.subn(r'(\b'+fname+r'\b)\s*', comment_out_re, self.cfile)
+        if nsubs == 0:
+            print "Warning: A replacement failed when commenting out %s. Check the CMakeFile.txt manually." % fname
+        elif nsubs > 1:
+            print "Warning: Replaced %s %d times (instead of once). Check the CMakeFile.txt manually." % (fname, nsubs)
+
+    def comment_out_lines(self, pattern, comment_str='#'):
+        """ Comments out all lines that match with pattern """
+        for line in self.cfile.splitlines():
+            if re.search(pattern, line):
+                self.cfile = self.cfile.replace(line, comment_str+line)
+
+    def check_for_glob(self, globstr):
+        """ Returns true if a glob as in globstr is found in the cmake file """
+        glob_re = r'GLOB\s[a-z_]+\s"%s"' % globstr.replace('*', '\*')
+        return re.search(glob_re, self.cfile, flags=re.MULTILINE|re.IGNORECASE) is not None
+