1 files changed, 129 insertions, 0 deletions
diff --git a/lib/silfont/scripts/psfcsv2comp.py b/lib/silfont/scripts/psfcsv2comp.py
new file mode 100644
index 0000000..7a4a960
--- /dev/null
+++ b/lib/silfont/scripts/psfcsv2comp.py
@@ -0,0 +1,129 @@
+#!/usr/bin/env python
+__doc__ = '''generate composite definitions from csv file'''
+__url__ = 'http://github.com/silnrsi/pysilfont'
+__copyright__ = 'Copyright (c) 2018 SIL International  (http://www.sil.org)'
+__license__ = 'Released under the MIT License (http://opensource.org/licenses/MIT)'
+__author__ = 'Bob Hallissy'
+
+import re
+from silfont.core import execute
+import re
+
+argspec = [
+    ('output',{'help': 'Output file containing composite definitions'}, {'type': 'outfile'}),
+    ('-i','--input',{'help': 'Glyph info csv file'}, {'type': 'incsv', 'def': 'glyph_data.csv'}),
+    ('-f','--fontcode',{'help': 'letter to filter for glyph_data'},{}),
+    ('--gname', {'help': 'Column header for glyph name', 'default': 'glyph_name'}, {}),
+    ('--base', {'help': 'Column header for name of base', 'default': 'base'}, {}),
+    ('--usv', {'help': 'Column header for USV'}, {}),
+    ('--anchors', {'help': 'Column header(s) for APs to compose', 'default': 'above,below'}, {}),
+    ('-r','--report',{'help': 'Set reporting level for log', 'type':str, 'choices':['X','S','E','P','W','I','V']},{}),
+    ('-l','--log',{'help': 'Set log file name'}, {'type': 'outfile', 'def': 'csv2comp.log'}),
+    ]
+
+def doit(args):
+    logger = args.logger
+    if args.report: logger.loglevel = args.report
+    # infont = args.ifont
+    incsv = args.input
+    output = args.output
+
+    def csvWarning(msg, exception = None):
+        m = "glyph_data warning: %s at line %d" % (msg, incsv.line_num)
+        if exception is not None:
+            m += '; ' + exception.message
+        logger.log(m, 'W')
+
+    if args.fontcode is not None:
+        whichfont = args.fontcode.strip().lower()
+        if len(whichfont) != 1:
+            logger.log('-f parameter must be a single letter', 'S')
+    else:
+        whichfont = None
+
+    # Which headers represent APs to use:
+    apList = args.anchors.split(',')
+    if len(apList) == 0:
+        logger.log('--anchors option value "%s" is invalid' % args.anchors, 'S')
+
+    # Get headings from csvfile:
+    fl = incsv.firstline
+    if fl is None: logger.log("Empty input file", "S")
+    # required columns:
+    try:
+        nameCol = fl.index(args.gname)
+        baseCol = fl.index(args.base)
+        apCols = [fl.index(ap) for ap in apList]
+        if args.usv is not None:
+            usvCol =  fl.index(args.usv)
+        else:
+            usvCol = None
+    except ValueError as e:
+        logger.log('Missing csv input field: ' + e.message, 'S')
+    except Exception as e:
+        logger.log('Error reading csv input field: ' + e.message, 'S')
+
+    # Now make strip AP names; pair up with columns so easy to iterate:
+    apInfo = list(zip(apCols, [x.strip() for x in apList]))
+
+    # If -f specified, make sure we have the fonts column
+    if whichfont is not None:
+        if 'fonts' not in fl: logger.log('-f requires "fonts" column in glyph_data', 'S')
+        fontsCol = fl.index('fonts')
+
+    # RE that matches names of glyphs we don't care about
+    namesToSkipRE = re.compile('^(?:[._].*|null|cr|nonmarkingreturn|tab|glyph_name)$',re.IGNORECASE)
+
+    # keep track of glyph names we've seen to detect duplicates
+    namesSeen = set()
+
+    # OK, process all records in glyph_data
+    for line in incsv:
+        base = line[baseCol].strip()
+        if len(base) == 0:
+            # No composites specified
+            continue
+
+        gname = line[nameCol].strip()
+        # things to ignore:
+        if namesToSkipRE.match(gname): continue
+        if whichfont is not None and line[fontsCol] != '*' and line[fontsCol].lower().find(whichfont) < 0:
+            continue
+
+        if len(gname) == 0:
+            csvWarning('empty glyph name in glyph_data; ignored')
+            continue
+        if gname.startswith('#'): continue
+        if gname in namesSeen:
+            csvWarning('glyph name %s previously seen in glyph_data; ignored' % gname)
+            continue
+        namesSeen.add(gname)
+
+        # Ok, start building the composite
+        composite = '%s = %s' %(gname, base)
+
+        # The first component must *not* reference the base; all others *must*:
+        seenfirst = False
+        for apCol, apName in apInfo:
+            component = line[apCol].strip()
+            if len(component):
+                if not seenfirst:
+                    composite += ' + %s@%s' % (component, apName)
+                    seenfirst = True
+                else:
+                    composite += ' + %s@%s:%s' % (component, base, apName)
+
+        # Add USV if present
+        if usvCol is not None:
+            usv = line[usvCol].strip()
+            if len(usv):
+                composite += ' | %s' % usv
+
+        # Output this one
+        output.write(composite + '\n')
+
+    output.close()
+
+def cmd() : execute("",doit,argspec)
+if __name__ == "__main__": cmd()
+