glyphmorf.py.svn-base

SumatraPDF是一款小型开源的pdf阅读工具。虽然玲珑小巧（只有800多KB）

# python

import sys

LOOKUP = """

#include "fitz.h"
#include "mupdf.h"

int pdf_lookupagl(char *name, int *ucsbuf, int ucscap)
{
	char buf[256];
	int ucslen = 0;
	char *p;
	char *s;
	int i;

	strlcpy(buf, name, sizeof buf);

	/* kill anything after first period */
	p = strchr(buf, '.');
	if (p)
		p[0] = 0;

	/* split into components separated by underscore */
	p = buf;
	s = strsep(&p, "_");
	while (s)
	{
		int l = 0;
		int r = nelem(aglidx) - 1;

		while (l <= r)
		{
			int m = (l + r) >> 1;
			int c = strcmp(s, aglidx[m].name);
			if (c < 0)
				r = m - 1;
			else if (c > 0)
				l = m + 1;
			else
			{
				for (i = 0; i < aglidx[m].num; i++)
					ucsbuf[ucslen++] = agldat[aglidx[m].ofs + i];
				goto next;
			}
		}

		if (strstr(s, "uni") == s)
		{
			char tmp[5];
			s += 3;
			while (s[0])
			{
				strlcpy(tmp, s, 5);
				ucsbuf[ucslen++] = strtol(tmp, 0, 16);
				s += MIN(strlen(s), 4);
			}
		}

		else if (strstr(s, "u") == s)
			ucsbuf[ucslen++] = strtol(s + 1, 0, 16);

next:
		s = strsep(&p, "_");
	}

	return ucslen;
}

"""

TEST = """
int main(int argc, char **argv)
{
	int buf[256];
	int len;
	int i, k;

	for (i = 1; i < argc; i++)
	{
		len = pdf_lookupagl(argv[i], buf, nelem(buf));
		printf("'%s' [%d] = ", argv[i], len);
		for (k = 0; k < len; k++)
			printf("%04X ", buf[k]);
		printf("\\n");
	}
}
"""


agl = []

f = open("glyphlist.txt", "r")
for line in f.readlines():
	if line[0] == '#':
		continue
	line = line[:-1]
	name, list = line.split(';')
	list = map(lambda x: int(x, 16), list.split(' '))
	agl.append((name, list))

aglidx = []
agldat = []

for name, ucslist in agl:
	num = len(ucslist)
	ofs = len(agldat)
	for ucs in ucslist:
		agldat.append(ucs)
	aglidx.append((name, num, ofs))

print "/* Adobe Glyph List -- autogenerated so do not touch */"
print

print "static const struct { char *name; short num; short ofs; }",
print "aglidx[%d] = {" % len(aglidx)

for name, num, ofs in aglidx:
	print "{\"%s\",%d,%d}," % (name, num, ofs)

print "};"
print 

print "static const unsigned short agldat[%d] = {" % len(agldat)
c = 0
for ucs in agldat:
	bufd = "%d," % ucs
	bufh = "0x%x," % ucs

	if len(bufd) < len(bufh):
		buf = bufd
	else:
		buf = bufh

	c += len(buf)
	if c > 78:
		c = len(buf)
		print
	sys.stdout.write(buf)

print
print "};"

print LOOKUP
# print TEST

print >>sys.stderr, "idx %d * %d = %d" % (len(aglidx), 8, len(aglidx)*8)
print >>sys.stderr, "dat %d * %d = %d" % (len(agldat), 2, len(agldat)*2)