diff options
author | Jonathan Kew <jfkthame@googlemail.com> | 2008-03-05 14:13:14 +0000 |
---|---|---|
committer | Jonathan Kew <jfkthame@googlemail.com> | 2008-03-05 14:13:14 +0000 |
commit | 34fb63e0edf29dee94dba0dee6c5563022b224ca (patch) | |
tree | e8fd50c2605705a258366bc9aa7b816d1c051e8b /Build | |
parent | a8558f6a9e4f5c968d90f47e9274c415c7aa023e (diff) |
xetex bugfix in gettexstring()
git-svn-id: svn://tug.org/texlive/trunk@6866 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build')
-rw-r--r-- | Build/source/texk/web2c/lib/texmfmp.c | 61 |
1 files changed, 51 insertions, 10 deletions
diff --git a/Build/source/texk/web2c/lib/texmfmp.c b/Build/source/texk/web2c/lib/texmfmp.c index 28f6c8acd79..bf6c5234346 100644 --- a/Build/source/texk/web2c/lib/texmfmp.c +++ b/Build/source/texk/web2c/lib/texmfmp.c @@ -395,7 +395,7 @@ topenin P1H(void) unsigned char *ptr = (unsigned char *)&(argv[i][0]); /* need to interpret UTF8 from the command line */ UInt32 rval; - while (rval = *(ptr++)) { + while ((rval = *(ptr++)) != 0) { UInt16 extraBytes = bytesFromUTF8[rval]; switch (extraBytes) { /* note: code falls through cases! */ case 5: rval <<= 6; if (*ptr) rval += *(ptr++); @@ -1909,7 +1909,7 @@ maketexstring(const_string s) len = strlen(s); checkpoolpointer (poolptr, len); /* in the XeTeX case, this may be more than enough */ #ifdef XeTeX - while (rval = *(cp++)) { + while ((rval = *(cp++)) != 0) { UInt16 extraBytes = bytesFromUTF8[rval]; switch (extraBytes) { /* note: code falls through cases! */ case 5: rval <<= 6; if (*cp) rval += *(cp++); @@ -1973,22 +1973,65 @@ compare_paths P2C(const_string, p1, const_string, p2) return ret; } -#ifdef XeTeX -#define strstartar strstart -#endif +#ifdef XeTeX /* the string pool is UTF-16 but we want a UTF-8 string */ + +string +gettexstring P1C(strnumber, s) +{ + unsigned bytesToWrite = 0; + poolpointer len, i, j; + string name; + len = strstart[s + 1 - 65536L] - strstart[s - 65536L]; + name = (string)xmalloc(len * 3 + 1); /* max UTF16->UTF8 expansion (code units, not bytes) */ + for (i = 0, j = 0; i < len; i++) { + unsigned c = strpool[i + strstart[s - 65536L]]; + if (c >= 0xD800 && c <= 0xDBFF) { + unsigned lo = strpool[++i + strstart[s - 65536L]]; + if (lo >= 0xDC00 && lo <= 0xDFFF) + c = (c - 0xD800) * 0x0400 + lo - 0xDC00; + else + c = 0xFFFD; + } + if (c < 0x80) + bytesToWrite = 1; + else if (c < 0x800) + bytesToWrite = 2; + else if (c < 0x10000) + bytesToWrite = 3; + else if (c < 0x110000) + bytesToWrite = 4; + else { + bytesToWrite = 3; + c = 0xFFFD; + } + + j += bytesToWrite; + switch (bytesToWrite) { /* note: everything falls through. */ + case 4: name[--j] = ((c | 0x80) & 0xBF); c >>= 6; + case 3: name[--j] = ((c | 0x80) & 0xBF); c >>= 6; + case 2: name[--j] = ((c | 0x80) & 0xBF); c >>= 6; + case 1: name[--j] = (c | firstByteMark[bytesToWrite]); + } + j += bytesToWrite; + } + name[j] = 0; + return name; +} + +#else string gettexstring P1C(strnumber, s) { poolpointer len; string name; -#if !defined(Omega) && !defined(eOmega) && !defined(Aleph) && !defined(XeTeX) +#if !defined(Omega) && !defined(eOmega) && !defined(Aleph) len = strstart[s + 1] - strstart[s]; #else len = strstartar[s + 1 - 65536L] - strstartar[s - 65536L]; #endif name = (string)xmalloc (len + 1); -#if !defined(Omega) && !defined(eOmega) && !defined(Aleph) && !defined(XeTeX) +#if !defined(Omega) && !defined(eOmega) && !defined(Aleph) strncpy (name, (string)&strpool[strstart[s]], len); #else { @@ -2001,9 +2044,7 @@ gettexstring P1C(strnumber, s) return name; } -#ifdef XeTeX -#undef strstartar -#endif +#endif /* not XeTeX */ boolean isnewsource P2C(strnumber, srcfilename, int, lineno) |