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Diffstat (limited to 'jni/iconv/lib/utf7.h')
-rw-r--r--jni/iconv/lib/utf7.h355
1 files changed, 0 insertions, 355 deletions
diff --git a/jni/iconv/lib/utf7.h b/jni/iconv/lib/utf7.h
deleted file mode 100644
index 888bfb4..0000000
--- a/jni/iconv/lib/utf7.h
+++ /dev/null
@@ -1,355 +0,0 @@
-/*
- * Copyright (C) 1999-2001, 2008 Free Software Foundation, Inc.
- * This file is part of the GNU LIBICONV Library.
- *
- * The GNU LIBICONV Library is free software; you can redistribute it
- * and/or modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * The GNU LIBICONV Library is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
- * If not, write to the Free Software Foundation, Inc., 51 Franklin Street,
- * Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-/*
- * UTF-7
- */
-
-/* Specification: RFC 2152 (and old RFC 1641, RFC 1642) */
-/* The original Base64 encoding is defined in RFC 2045. */
-
-/* Set of direct characters:
- * A-Z a-z 0-9 ' ( ) , - . / : ? space tab lf cr
- */
-static const unsigned char direct_tab[128/8] = {
- 0x00, 0x26, 0x00, 0x00, 0x81, 0xf3, 0xff, 0x87,
- 0xfe, 0xff, 0xff, 0x07, 0xfe, 0xff, 0xff, 0x07,
-};
-#define isdirect(ch) ((ch) < 128 && ((direct_tab[(ch)>>3] >> (ch & 7)) & 1))
-
-/* Set of direct and optional direct characters:
- * A-Z a-z 0-9 ' ( ) , - . / : ? space tab lf cr
- * ! " # $ % & * ; < = > @ [ ] ^ _ ` { | }
- */
-static const unsigned char xdirect_tab[128/8] = {
- 0x00, 0x26, 0x00, 0x00, 0xff, 0xf7, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xef, 0xff, 0xff, 0xff, 0x3f,
-};
-#define isxdirect(ch) ((ch) < 128 && ((xdirect_tab[(ch)>>3] >> (ch & 7)) & 1))
-
-/* Set of base64 characters, extended:
- * A-Z a-z 0-9 + / -
- */
-static const unsigned char xbase64_tab[128/8] = {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8, 0xff, 0x03,
- 0xfe, 0xff, 0xff, 0x07, 0xfe, 0xff, 0xff, 0x07,
-};
-#define isxbase64(ch) ((ch) < 128 && ((xbase64_tab[(ch)>>3] >> (ch & 7)) & 1))
-
-/*
- * The state is structured as follows:
- * bit 1..0: shift
- * bit 7..2: data
- * Precise meaning:
- * shift data
- * 0 0 not inside base64 encoding
- * 1 0 inside base64, no pending bits
- * 2 XXXX00 inside base64, 4 bits remain from 2nd byte
- * 3 XX0000 inside base64, 2 bits remain from 3rd byte
- */
-
-static int
-utf7_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
-{
- state_t state = conv->istate;
- int count = 0; /* number of input bytes already read */
- if (state & 3)
- goto active;
- else
- goto inactive;
-
-inactive:
- {
- /* Here (state & 3) == 0 */
- if (n < count+1)
- goto none;
- {
- unsigned char c = *s;
- if (isxdirect(c)) {
- *pwc = (ucs4_t) c;
- conv->istate = state;
- return count+1;
- }
- if (c == '+') {
- if (n < count+2)
- goto none;
- if (s[1] == '-') {
- *pwc = (ucs4_t) '+';
- conv->istate = state;
- return count+2;
- }
- s++; count++;
- state = 1;
- goto active;
- }
- goto ilseq;
- }
- }
-
-active:
- {
- /* base64 encoding active */
- unsigned int wc = 0;
- state_t base64state = state;
- unsigned int kmax = 2; /* number of payload bytes to read */
- unsigned int k = 0; /* number of payload bytes already read */
- unsigned int base64count = 0; /* number of base64 bytes already read */
- for (;;) {
- unsigned char c = *s;
- unsigned int i;
- if (c >= 'A' && c <= 'Z')
- i = c-'A';
- else if (c >= 'a' && c <= 'z')
- i = c-'a'+26;
- else if (c >= '0' && c <= '9')
- i = c-'0'+52;
- else if (c == '+')
- i = 62;
- else if (c == '/')
- i = 63;
- else {
- /* c terminates base64 encoding */
- if (base64state & -4)
- goto ilseq; /* data must be 0, otherwise illegal */
- if (base64count)
- goto ilseq; /* partial UTF-16 characters are invalid */
- if (c == '-') {
- s++; count++;
- }
- state = 0;
- goto inactive;
- }
- s++; base64count++;
- /* read 6 bits: 0 <= i < 64 */
- switch (base64state & 3) {
- case 1: /* inside base64, no pending bits */
- base64state = (i << 2) | 0; break;
- case 0: /* inside base64, 6 bits remain from 1st byte */
- wc = (wc << 8) | (base64state & -4) | (i >> 4); k++;
- base64state = ((i & 15) << 4) | 2; break;
- case 2: /* inside base64, 4 bits remain from 2nd byte */
- wc = (wc << 8) | (base64state & -4) | (i >> 2); k++;
- base64state = ((i & 3) << 6) | 3; break;
- case 3: /* inside base64, 2 bits remain from 3rd byte */
- wc = (wc << 8) | (base64state & -4) | i; k++;
- base64state = 1; break;
- }
- if (k == kmax) {
- /* UTF-16: When we see a High Surrogate, we must also decode
- the following Low Surrogate. */
- if (kmax == 2 && (wc >= 0xd800 && wc < 0xdc00))
- kmax = 4;
- else
- break;
- }
- if (n < count+base64count+1)
- goto none;
- }
- /* Here k = kmax > 0, hence base64count > 0. */
- if ((base64state & 3) == 0) abort();
- if (kmax == 4) {
- ucs4_t wc1 = wc >> 16;
- ucs4_t wc2 = wc & 0xffff;
- if (!(wc1 >= 0xd800 && wc1 < 0xdc00)) abort();
- if (!(wc2 >= 0xdc00 && wc2 < 0xe000)) goto ilseq;
- *pwc = 0x10000 + ((wc1 - 0xd800) << 10) + (wc2 - 0xdc00);
- } else {
- *pwc = wc;
- }
- conv->istate = base64state;
- return count+base64count;
- }
-
-none:
- conv->istate = state;
- return RET_TOOFEW(count);
-
-ilseq:
- conv->istate = state;
- return RET_SHIFT_ILSEQ(count);
-}
-
-/*
- * The state is structured as follows:
- * bit 1..0: shift
- * bit 7..2: data
- * Precise meaning:
- * shift data
- * 0 0 not inside base64 encoding
- * 1 0 inside base64, no pending bits
- * 2 XX00 inside base64, 2 bits known for 2nd byte
- * 3 XXXX inside base64, 4 bits known for 3rd byte
- */
-
-/* Define this to 1 if you want the so-called "optional direct" characters
- ! " # $ % & * ; < = > @ [ ] ^ _ ` { | }
- to be encoded. Define to 0 if you want them to be passed straight through,
- like the so-called "direct" characters.
- We set this to 1 because it's safer.
- */
-#define UTF7_ENCODE_OPTIONAL_CHARS 1
-
-static int
-utf7_wctomb (conv_t conv, unsigned char *r, ucs4_t iwc, int n)
-{
- state_t state = conv->ostate;
- unsigned int wc = iwc;
- int count = 0;
- if (state & 3)
- goto active;
-
-/*inactive:*/
- {
- if (UTF7_ENCODE_OPTIONAL_CHARS ? isdirect(wc) : isxdirect(wc)) {
- r[0] = (unsigned char) wc;
- /*conv->ostate = state;*/
- return 1;
- } else {
- *r++ = '+';
- if (wc == '+') {
- if (n < 2)
- return RET_TOOSMALL;
- *r = '-';
- /*conv->ostate = state;*/
- return 2;
- }
- count = 1;
- state = 1;
- goto active;
- }
- }
-
-active:
- {
- /* base64 encoding active */
- if (UTF7_ENCODE_OPTIONAL_CHARS ? isdirect(wc) : isxdirect(wc)) {
- /* deactivate base64 encoding */
- count += ((state & 3) >= 2 ? 1 : 0) + (isxbase64(wc) ? 1 : 0) + 1;
- if (n < count)
- return RET_TOOSMALL;
- if ((state & 3) >= 2) {
- unsigned int i = state & -4;
- unsigned char c;
- if (i < 26)
- c = i+'A';
- else if (i < 52)
- c = i-26+'a';
- else if (i < 62)
- c = i-52+'0';
- else if (i == 62)
- c = '+';
- else if (i == 63)
- c = '/';
- else
- abort();
- *r++ = c;
- }
- if (isxbase64(wc))
- *r++ = '-';
- state = 0;
- *r++ = (unsigned char) wc;
- conv->ostate = state;
- return count;
- } else {
- unsigned int k; /* number of payload bytes to write */
- if (wc < 0x10000) {
- k = 2;
- count += ((state & 3) >= 2 ? 3 : 2);
- } else if (wc < 0x110000) {
- unsigned int wc1 = 0xd800 + ((wc - 0x10000) >> 10);
- unsigned int wc2 = 0xdc00 + ((wc - 0x10000) & 0x3ff);
- wc = (wc1 << 16) | wc2;
- k = 4;
- count += ((state & 3) >= 3 ? 6 : 5);
- } else
- return RET_ILUNI;
- if (n < count)
- return RET_TOOSMALL;
- for (;;) {
- unsigned int i;
- unsigned char c;
- switch (state & 3) {
- case 0: /* inside base64, 6 bits known for 4th byte */
- c = (state & -4) >> 2; state = 1; break;
- case 1: /* inside base64, no pending bits */
- i = (wc >> (8 * --k)) & 0xff;
- c = i >> 2; state = ((i & 3) << 4) | 2; break;
- case 2: /* inside base64, 2 bits known for 2nd byte */
- i = (wc >> (8 * --k)) & 0xff;
- c = (state & -4) | (i >> 4); state = ((i & 15) << 2) | 3; break;
- case 3: /* inside base64, 4 bits known for 3rd byte */
- i = (wc >> (8 * --k)) & 0xff;
- c = (state & -4) | (i >> 6); state = ((i & 63) << 2) | 0; break;
- default: abort(); /* stupid gcc */
- }
- if (c < 26)
- c = c+'A';
- else if (c < 52)
- c = c-26+'a';
- else if (c < 62)
- c = c-52+'0';
- else if (c == 62)
- c = '+';
- else if (c == 63)
- c = '/';
- else
- abort();
- *r++ = c;
- if ((state & 3) && (k == 0))
- break;
- }
- conv->ostate = state;
- return count;
- }
- }
-}
-
-static int
-utf7_reset (conv_t conv, unsigned char *r, int n)
-{
- state_t state = conv->ostate;
- if (state & 3) {
- /* deactivate base64 encoding */
- unsigned int count = ((state & 3) >= 2 ? 1 : 0) + 1;
- if (n < count)
- return RET_TOOSMALL;
- if ((state & 3) >= 2) {
- unsigned int i = state & -4;
- unsigned char c;
- if (i < 26)
- c = i+'A';
- else if (i < 52)
- c = i-26+'a';
- else if (i < 62)
- c = i-52+'0';
- else if (i == 62)
- c = '+';
- else if (i == 63)
- c = '/';
- else
- abort();
- *r++ = c;
- }
- *r++ = '-';
- /* conv->ostate = 0; will be done by the caller */
- return count;
- } else
- return 0;
-}
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