1"""Parse sys/errno.h and Errors.h and create Estr resource"""
2
3import re
4import string
5from Carbon import Res
6import os
7
8READ = 1
9WRITE = 2
10smAllScripts = -3
11
12ERRNO_PROG="#define[ \t]+" \
13                   "([A-Z0-9a-z_]+)" \
14                   "[ \t]+" \
15                   "([0-9]+)" \
16                   "[ \t]*/\*[ \t]*" \
17                   "(.*)" \
18                   "[ \t]*\*/"
19
20ERRORS_PROG="[ \t]*" \
21                        "([A-Z0-9a-z_]+)" \
22                        "[ \t]*=[ \t]*" \
23                        "([-0-9]+)" \
24                        "[, \t]*/\*[ \t]*" \
25                        "(.*)" \
26                        "[ \t]*\*/"
27
28ERRORS_PROG_2="[ \t]*" \
29                        "([A-Z0-9a-z_]+)" \
30                        "[ \t]*=[ \t]*" \
31                        "([-0-9]+)" \
32                        "[, \t]*"
33
34def Pstring(str):
35    if len(str) > 255:
36        raise ValueError, 'String too large'
37    return chr(len(str))+str
38
39def writeestr(dst, edict):
40    """Create Estr resource file given a dictionary of errors."""
41
42    os.unlink(dst.as_pathname())
43    Res.FSpCreateResFile(dst, 'RSED', 'rsrc', smAllScripts)
44    output = Res.FSpOpenResFile(dst, WRITE)
45    Res.UseResFile(output)
46    for num in edict.keys():
47        res = Res.Resource(Pstring(edict[num][0]))
48        res.AddResource('Estr', num, '')
49        res.WriteResource()
50    Res.CloseResFile(output)
51
52def writepython(fp, dict):
53    k = dict.keys()
54    k.sort()
55    for i in k:
56        fp.write("%s\t=\t%d\t#%s\n"%(dict[i][1], i, dict[i][0]))
57
58
59def parse_errno_h(fp, dict):
60    errno_prog = re.compile(ERRNO_PROG)
61    for line in fp.readlines():
62        m = errno_prog.match(line)
63        if m:
64            number = string.atoi(m.group(2))
65            name = m.group(1)
66            desc = string.strip(m.group(3))
67
68            if not dict.has_key(number):
69                dict[number] = desc, name
70            else:
71                print 'DUPLICATE', number
72                print '\t', dict[number]
73                print '\t', (desc, name)
74
75def parse_errors_h(fp, dict):
76    errno_prog = re.compile(ERRORS_PROG)
77    errno_prog_2 = re.compile(ERRORS_PROG_2)
78    for line in fp.readlines():
79        match = 0
80        m = errno_prog.match(line)
81        m2 = errno_prog_2.match(line)
82        if m:
83            number = string.atoi(m.group(2))
84            name = m.group(1)
85            desc = string.strip(m.group(3))
86            match=1
87        elif m2:
88            number = string.atoi(m2.group(2))
89            name = m2.group(1)
90            desc = name
91            match=1
92        if match:
93            if number > 0: continue
94
95            if not dict.has_key(number):
96                dict[number] = desc, name
97            else:
98                print 'DUPLICATE', number
99                print '\t', dict[number]
100                print '\t', (desc, name)
101                if len(desc) > len(dict[number][0]):
102                    print 'Pick second one'
103                    dict[number] = desc, name
104
105def main():
106    dict = {}
107    pathname = EasyDialogs.AskFileForOpen(message="Where is GUSI sys/errno.h?")
108    if pathname:
109        fp = open(pathname)
110        parse_errno_h(fp, dict)
111        fp.close()
112
113    pathname = EasyDialogs.AskFileForOpen(message="Select cerrno (MSL) or cancel")
114    if pathname:
115        fp = open(pathname)
116        parse_errno_h(fp, dict)
117        fp.close()
118
119    pathname = EasyDialogs.AskFileForOpen(message="Where is MacErrors.h?")
120    if pathname:
121        fp = open(pathname)
122        parse_errors_h(fp, dict)
123        fp.close()
124
125    pathname = EasyDialogs.AskFileForOpen(message="Where is mkestrres-MacErrors.h?")
126    if pathname:
127        fp = open(pathname)
128        parse_errors_h(fp, dict)
129        fp.close()
130
131    if not dict:
132        return
133
134    pathname = EasyDialogs.AskFileForSave(message="Resource output file?", savedFileName="errors.rsrc")
135    if pathname:
136        writeestr(fss, dict)
137
138    pathname = EasyDialogs.AskFileForSave(message="Python output file?", savedFileName="macerrors.py")
139    if pathname:
140        fp = open(pathname, "w")
141        writepython(fp, dict)
142        fp.close()
143        fss.SetCreatorType('Pyth', 'TEXT')
144
145    pathname = EasyDialogs.AskFileForSave(message="Text output file?", savedFileName="errors.txt")
146    if pathname:
147        fp = open(pathname, "w")
148
149        k = dict.keys()
150        k.sort()
151        for i in k:
152            fp.write("%d\t%s\t%s\n"%(i, dict[i][1], dict[i][0]))
153        fp.close()
154
155
156if __name__ == '__main__':
157    main()
158