Merge branch 'feature/upstream' into develop

1 files changed, 389 insertions, 0 deletions

diff --git a/backend/scripts/pixma_gen_options.py b/backend/scripts/pixma_gen_options.py
new file mode 100755
index 0000000..c4c75e0
--- /dev/null
+++ b/backend/scripts/pixma_gen_options.py
@@ -0,0 +1,389 @@
+#!/usr/bin/env python
+
+import sys,os,re
+
+class Error(Exception):
+    pass
+
+
+class ParseError(Error):
+    def __init__(self, errline):
+        Error.__init__(self, errline)
+
+
+class Struct:
+    pass
+
+
+def createCNameMap():
+    t = ''
+    for i in range(256):
+        if ((ord('A') <= i) and (i <= ord('Z'))) or \
+               ((ord('a') <= i) and (i <= ord('z'))) or \
+               ((ord('0') <= i) and (i <= ord('9'))):
+            t += chr(i)
+        else:
+            t += '_'
+    return t
+
+
+def seekBegin(f):
+    while True:
+        line = f.readline()
+        if not line:
+            return False
+        if line.startswith('BEGIN SANE_Option_Descriptor'):
+            return True
+
+
+def parseVerbatim(o, line):
+    words = line.split(None, 1)
+    if (len(words) < 2) or (words[1][0] != '@'):
+        return False
+    o[words[0]] = words[1]
+    return True
+
+
+def parseLine_type(o, line):
+    words = line.split(None, 2)
+    otype = words[1]
+    o['type'] = 'SANE_TYPE_' + otype.upper()
+    if otype == 'group':
+        g.ngroups += 1
+        oname = '_group_%d' % g.ngroups
+        o['size'] = 0
+    else:
+        temp = words[2]
+        idx = temp.find('[')
+        if idx == -1:
+            oname = temp
+            o['size'] = 1
+        else:
+            oname = temp[0:idx]
+            o['size'] = int(temp[idx+1:-1])
+    o['name'] = oname
+
+
+def parseLine_title(o, line):
+    o['title'] = line.split(None, 1)[1]
+
+
+def parseLine_desc(o, line):
+    o['desc'] = line.split(None, 1)[1]
+
+
+def parseLine_unit(o, line):
+    o['unit'] = 'SANE_UNIT_' + line.split(None, 1)[1].upper()
+
+
+def parseLine_default(o, line):
+    o['default'] = line.split(None, 1)[1]
+
+
+def parseLine_cap(o, line):
+    words = line.split()
+    o['cap'] = ['SANE_CAP_' + s.upper() for s in words[1:]]
+
+
+def parseLine_constraint(o, line):
+    c = line.split(None,1)[1]
+    if c[0] == '{':
+        o['constraint'] = c[1:-1].split('|')
+    elif c[0] == '(':
+        o['constraint'] = tuple(c[1:-1].split(','))
+    else:
+        sys.stderr.write('Ignored: %s\n' % line)
+
+
+def parseLine_info(o, line):
+    words = line.split()
+    o['info'] = ['SANE_INFO_' + s.upper() for s in words[1:]]
+
+def parseLine_rem(o, line):
+    pass
+
+def normalize(o):
+    if 'cname' not in o:
+        cname = o['name'].translate(cnameMap)
+        o['cname'] = cname
+    else:
+        cname = o['cname']
+    o['cname_opt'] = 'opt_' + cname
+    o['cname_con'] = 'constraint_' + cname
+    if 'title' not in o:
+        o['title'] = 'NO TITLE'
+    if 'desc' not in o:
+        o['desc'] = '@sod->title' % o
+    if 'unit' not in o:
+        o['unit'] = 'SANE_UNIT_NONE'
+    if 'constraint_type' not in o:
+        if 'constraint' not in o:
+            ct = 'SANE_CONSTRAINT_NONE'
+        elif isinstance(o['constraint'], list):
+            if o['type'] == 'SANE_TYPE_STRING':
+                ct = 'SANE_CONSTRAINT_STRING_LIST'
+            else:
+                ct = 'SANE_CONSTRAINT_WORD_LIST'
+        elif isinstance(o['constraint'], tuple):
+            ct = 'SANE_CONSTRAINT_RANGE'
+        elif isinstance(o['constraint'], str):
+            oc = o['constraint']
+            if oc.startswith('@range'):
+                ct = 'SANE_CONSTRAINT_RANGE'
+            elif oc.startswith('@word_list'):
+                ct = 'SANE_CONSTRAINT_WORD_LIST'
+            elif oc.startswith('@string_list'):
+                ct = 'SANE_CONSTRAINT_STRING_LIST'
+        o['constraint_type'] = ct
+    return o
+
+
+def parseFile(f):
+    if not seekBegin(f):
+        return None
+    options = [ {
+        'name' : '',
+        'cname' : 'opt_num_opts',
+        'title' : '@SANE_TITLE_NUM_OPTIONS',
+        'desc' : '@SANE_DESC_NUM_OPTIONS',
+        'type' : 'SANE_TYPE_INT',
+        'unit' : 'SANE_UNIT_NONE',
+        'size' : 1,
+        'cap' : ['SANE_CAP_SOFT_DETECT'],
+        'constraint_type' : 'SANE_CONSTRAINT_NONE',
+        'default' : '@w = ' + opt_prefix + 'last'
+        } ]
+    o = {}
+    while True:
+        line = f.readline()
+        if not line:
+            break
+        line = line.strip()
+        if not line:
+            continue
+        token = line.split(None, 1)[0].lower()
+        if token == 'end':
+            break
+        if token == 'type':
+            if 'name' in o:
+                options.append(o)
+            o = {}
+        funcName = 'parseLine_' + token
+        if funcName in globals():
+            if not parseVerbatim(o, line):
+                func = globals()[funcName]
+                func(o, line)
+        else:
+            sys.stderr.write('Skip: %s\n' % line)
+    if 'name' in o:
+        options.append(o)
+    return [normalize(o) for o in options]
+
+
+def genHeader(options):
+    print """
+typedef union {
+  SANE_Word w;
+  SANE_Int  i;
+  SANE_Bool b;
+  SANE_Fixed f;
+  SANE_String s;
+  void *ptr;
+} option_value_t;
+"""
+    print 'typedef enum {'
+    for o in options:
+        print '  %(cname_opt)s,' % o
+    print '  ' + opt_prefix + 'last'
+    print '} option_t;'
+    print """
+
+typedef struct {
+  SANE_Option_Descriptor sod;
+  option_value_t val,def;
+  SANE_Word info;
+} option_descriptor_t;
+
+
+struct pixma_sane_t;
+static int build_option_descriptors(struct pixma_sane_t *ss);
+"""
+
+
+def genMinMaxRange(n, t, r):
+    if t == 'SANE_TYPE_FIXED':
+        r = ['SANE_FIX(%s)' % x for x in r]
+    print 'static const SANE_Range ' + n + ' = '
+    print '  { ' + r[0] + ',' + r[1] + ',' + r[2] + ' };'
+
+
+def genList(n, t, l):
+    if t == 'SANE_TYPE_INT':
+        etype = 'SANE_Word'
+        l = [str(len(l))] + l
+    elif t == 'SANE_TYPE_FIXED':
+        etype = 'SANE_Word'
+        l = [str(len(l))] + ['SANE_FIX(%s)' % x for x in l]
+    elif t == 'SANE_TYPE_STRING':
+        etype = 'SANE_String_Const'
+        l = ['SANE_I18N("%s")' % x for x in l] + ['NULL']
+    print 'static const %s %s[%d] = {' % (etype, n, len(l))
+    for x in l[0:-1]:
+        print '\t' + x + ','
+    print '\t' + l[-1] + ' };'
+
+
+def genConstraints(options):
+    for o in options:
+        if 'constraint' not in o: continue
+        c = o['constraint']
+        oname = o['cname_con']
+        otype = o['type']
+        if isinstance(c, tuple):
+            genMinMaxRange(oname, otype, c)
+        elif isinstance(c, list):
+            genList(oname, otype, c)
+    print
+
+def buildCodeVerbatim(o):
+    for f in ('name', 'title', 'desc', 'type', 'unit', 'size', 'cap',
+              'constraint_type', 'constraint', 'default'):
+        if (f not in o): continue
+        temp = o[f]
+        if (not isinstance(temp,str)) or \
+           (len(temp) < 1) or (temp[0] != '@'):
+            continue
+        o['code_' + f] = temp[1:]
+
+def ccode(o):
+    buildCodeVerbatim(o)
+    if 'code_name' not in o:
+        o['code_name'] = '"' + o['name'] + '"'
+    for f in ('title', 'desc'):
+        cf = 'code_' + f
+        if cf in o: continue
+        o[cf] = 'SANE_I18N("' + o[f] + '")'
+
+    for f in ('type', 'unit', 'constraint_type'):
+        cf = 'code_' + f
+        if cf in o: continue
+        o[cf] = o[f]
+
+    if 'code_size' not in o:
+        otype = o['type']
+        osize = o['size']
+        if otype == 'SANE_TYPE_STRING':
+            code = str(osize + 1)
+        elif otype == 'SANE_TYPE_INT' or otype == 'SANE_TYPE_FIXED':
+            code = str(osize) + ' * sizeof(SANE_Word)'
+        elif otype == 'SANE_TYPE_BUTTON':
+            code = '0'
+        else:
+            code = 'sizeof(SANE_Word)'
+        o['code_size'] = code
+
+    if ('code_cap' not in o) and ('cap' in o):
+        o['code_cap'] = reduce(lambda a,b: a+'|'+b, o['cap'])
+    else:
+        o['code_cap'] = '0'
+
+    if ('code_info' not in o) and ('info' in o):
+        o['code_info'] = reduce(lambda a,b: a+'|'+b, o['info'])
+    else:
+        o['code_info'] = '0'
+
+    if ('code_default' not in o) and ('default' in o):
+        odefault = o['default']
+        otype = o['type']
+        if odefault == '_MIN':
+            rhs = 'w = sod->constraint.range->min'
+        elif odefault == '_MAX':
+            rhs = 'w = sod->constraint.range->max'
+        elif otype in ('SANE_TYPE_INT', 'SANE_TYPE_BOOL'):
+            rhs = 'w = %(default)s'
+        elif otype == 'SANE_TYPE_FIXED':
+            rhs = 'w = SANE_FIX(%(default)s)'
+        elif otype == 'SANE_TYPE_STRING':
+            rhs = 's = SANE_I18N("%(default)s")'
+        o['code_default'] = rhs % o
+    if 'code_default' in o:
+        code = '  opt->def.%(code_default)s;\n'
+        if o['constraint_type'] != 'SANE_CONSTRAINT_STRING_LIST':
+            code += '  opt->val.%(code_default)s;\n'
+        else:
+            code += '  opt->val.w = find_string_in_list' \
+                    '(opt->def.s, sod->constraint.string_list);\n'
+        o['full_code_default'] = code % o
+    else:
+        o['full_code_default'] = ''
+
+    if ('code_constraint' not in o) and ('constraint' in o):
+        ct = o['constraint_type']
+        idx = len('SANE_CONSTRAINT_')
+        ctype = ct[idx:].lower()
+        if ctype == 'range':
+            rhs = '&%(cname_con)s' % o
+        else:
+            rhs = '%(cname_con)s' % o
+        o['code_constraint'] = ctype + ' = ' + rhs
+    if 'code_constraint' in o:
+        code = '  sod->constraint.%(code_constraint)s;\n'
+        o['full_code_constraint'] = code % o
+    else:
+        o['full_code_constraint'] = ''
+
+    return o
+
+def genBuildOptions(options):
+  print """
+static
+int find_string_in_list(SANE_String_Const str, const SANE_String_Const *list)
+{
+  int i;
+  for (i = 0; list[i] && strcmp(str, list[i]) != 0; i++) {}
+  return i;
+}
+
+static
+int build_option_descriptors(struct pixma_sane_t *ss)
+{
+  SANE_Option_Descriptor *sod;
+  option_descriptor_t *opt;
+
+  memset(OPT_IN_CTX, 0, sizeof(OPT_IN_CTX));"""
+
+  for o in options:
+      o = ccode(o)
+      otype = o['type']
+      code = '\n  opt = &(OPT_IN_CTX[%(cname_opt)s]);\n' \
+             '  sod = &opt->sod;\n' \
+             '  sod->type = %(code_type)s;\n' \
+             '  sod->title = %(code_title)s;\n' \
+             '  sod->desc = %(code_desc)s;\n'
+      if otype != 'SANE_TYPE_GROUP':
+          code += '  sod->name = %(code_name)s;\n' \
+                  '  sod->unit = %(code_unit)s;\n' \
+                  '  sod->size = %(code_size)s;\n' \
+                  '  sod->cap  = %(code_cap)s;\n' \
+                  '  sod->constraint_type = %(code_constraint_type)s;\n' \
+                  '%(full_code_constraint)s' \
+                  '  OPT_IN_CTX[%(cname_opt)s].info = %(code_info)s;\n' \
+                  '%(full_code_default)s'
+      sys.stdout.write(code % o)
+  print
+  print '  return 0;\n'
+  print '}'
+  print
+
+g = Struct()
+g.ngroups = 0
+opt_prefix = 'opt_'
+con_prefix = 'constraint_'
+cnameMap = createCNameMap()
+options = parseFile(sys.stdin)
+print "/* Automatically generated from pixma_sane.c */"
+if (len(sys.argv) == 2) and (sys.argv[1] == 'h'):
+    genHeader(options)
+else:
+    genConstraints(options)
+    genBuildOptions(options)