Automatically add new lexers to Xcode project in LexGen.py.

1 files changed, 44 insertions, 0 deletions

diff --git a/scripts/FileGenerator.py b/scripts/FileGenerator.py
index 11d6d70ba..3d488ef13 100644
--- a/scripts/FileGenerator.py
+++ b/scripts/FileGenerator.py
@@ -170,6 +170,50 @@ def UpdateLineInFile(path, linePrefix, lineReplace):
     contents = lineEnd.join(lines) + lineEnd
     UpdateFile(path, contents)
 
+def ReadFileAsList(path):
+    """Read all the lnes in the file and return as a list of strings without line ends.
+    """
+    with codecs.open(path, "rU", "utf-8") as f:
+        return [l.rstrip('\n') for l in f]
+    
+def UpdateFileFromLines(path, lines, lineEndToUse):
+    """Join the lines with the lineEndToUse then update file if the result is different.
+    """
+    contents = lineEndToUse.join(lines) + lineEndToUse
+    UpdateFile(path, contents)
+    
+def FindSectionInList(lines, markers):
+    """Find a section defined by an initial start marker, an optional secondary
+    marker and an end marker.
+    The section is between the secondary/initial start and the end.
+    Report as a slice object so the section can be extracted or replaced.
+    Raises an exception if the markers can't be found.
+    """
+    start = -1
+    end = -1
+    state = 0
+    for i, l in enumerate(lines):
+        if markers[0] in l:
+            if markers[1]:
+                state = 1
+            else:
+                start = i+1
+                state = 2
+        elif state == 1:
+            if markers[1] in l:
+                start = i+1
+                state = 2
+        elif state == 2:
+            if markers[2] in l:
+                end = i
+                state = 3
+    # Check that section was found
+    if start == -1:
+        raise Exception("Could not find start marker(s) |" + markers[0] + "|" + markers[1] + "|")
+    if end == -1:
+        raise Exception("Could not find end marker " + markers[2])
+    return slice(start, end)
+
 def ReplaceREInFile(path, match, replace):
     with codecs.open(path, "r", "utf-8") as f:
         contents = f.read()