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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:35 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:35 -0800
commitf721e3ac031f892af46f255a47d7f54a91317b30 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /telephony/gsm.h
parentbae1bc39312d5019bd9a5b8d840a529213a69a17 (diff)
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auto import from //depot/cupcake/@135843
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diff --git a/telephony/gsm.h b/telephony/gsm.h
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-/* Copyright (C) 2007-2008 The Android Open Source Project
-**
-** This software is licensed under the terms of the GNU General Public
-** License version 2, as published by the Free Software Foundation, and
-** may be copied, distributed, and modified under those terms.
-**
-** This program 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 General Public License for more details.
-*/
-#ifndef _android_gsm_h
-#define _android_gsm_h
-
-/** USEFUL TYPES
- **/
-
-typedef unsigned char byte_t;
-typedef byte_t* bytes_t;
-typedef const byte_t* cbytes_t;
-
-/** BCD
- **/
-
-/* convert a 8-bit value into the corresponding nibble-bcd byte */
-extern byte_t gsm_int_to_bcdi( int value );
-
-/* convert a nibble-bcd byte into an int, invalid nibbles are silently converted to 0 */
-extern int gsm_int_from_bcdi( byte_t value );
-
-/** HEX
- **/
-
-/* try to convert a hex string into a byte string, assumes 'dst' is properly sized, and hexlen is even.
- * returns the number of bytes on exit, or -1 in case of badly formatted data */
-extern int gsm_hex_to_bytes ( cbytes_t hex, int hexlen, bytes_t dst );
-
-/* convert a hex string into a byte string, assumes 'dst' is properly sized, and hexlen is even.
- * no checks are performed */
-extern void gsm_hex_to_bytes0 ( cbytes_t hex, int hexlen, bytes_t dst );
-
-/* convert a byte string into a hex string, assumes 'hex' is properly sized */
-extern void gsm_hex_from_bytes( char* hex, cbytes_t src, int srclen );
-
-/* convert a hexchar to an int, returns -1 on error */
-extern int gsm_hexchar_to_int( char c );
-
-/* convert a hexchar to an int, returns 0 on error */
-extern int gsm_hexchar_to_int0( char c );
-
-/* convert a 2-char hex value into an int, returns -1 on error */
-extern int gsm_hex2_to_byte( const char* hex );
-
-/* convert a 2-char hex value into an int, returns 0 on error */
-extern int gsm_hex2_to_byte0( const char* hex );
-
-/* convert a 4-char hex value into an int, returns -1 on error */
-extern int gsm_hex4_to_short( const char* hex );
-
-/* convert a 4-char hex value into an int, returns 0 on error */
-extern int gsm_hex4_to_short0( const char* hex );
-
-/* write a byte to a 2-byte hex string */
-extern void gsm_hex_from_byte( char* hex, int val );
-
-extern void gsm_hex_from_short( char* hex, int val );
-
-/** UTF-8 and GSM Alphabet
- **/
-
-/* check that a given utf8 string is well-formed, returns 1 on success, 0 otherwise */
-extern int utf8_check( cbytes_t utf8, int utf8len );
-
-/* check that all characters in a given utf8 string can be encoded into the GSM alphabet.
- returns 1 if TRUE, 0 otherwise */
-extern int utf8_check_gsm7( cbytes_t utf8, int utf8len );
-
-/* try to skip enough utf8 characters to generate gsm7len GSM septets */
-extern cbytes_t utf8_skip_gsm7( cbytes_t utf8, cbytes_t utf8end, int gsm7len );
-
-/* convert a utf-8 string into a GSM septet string, assumes 'dst' is NULL or is properly sized,
- and that all characters are representable. 'offset' is the starting bit offset in 'dst'.
- non-representable characters are replaced by spaces.
- returns the number of septets, */
-extern int utf8_to_gsm7( cbytes_t utf8, int utf8len, bytes_t dst, int offset );
-
-/* convert a utf8 string into an array of 8-bit unpacked GSM septets,
- * assumes 'dst' is NULL or is properly sized, returns the number of GSM bytes */
-extern int utf8_to_gsm8( cbytes_t utf8, int utf8len, bytes_t dst );
-
-/* convert a GSM septets string into a utf-8 byte string. assumes that 'utf8' is NULL or properly
- sized. 'offset' is the starting bit offset in 'src', 'count' is the number of input septets.
- return the number of utf8 bytes. */
-extern int utf8_from_gsm7( cbytes_t src, int offset, int count, bytes_t utf8 );
-
-/* convert an unpacked 8-bit GSM septets string into a utf-8 byte string. assumes that 'utf8'
- is NULL or properly sized. 'count' is the number of input bytes.
- returns the number of utf8 bytes */
-extern int utf8_from_gsm8( cbytes_t src, int count, bytes_t utf8 );
-
-
-/** UCS-2 and GSM Alphabet
- **
- ** Note that here, 'ucs2' really refers to non-aligned UCS2-BE, as used by the GSM standard
- **/
-
-/* check that all characters in a given ucs2 string can be encoded into the GSM alphabet.
- returns 1 if TRUE, 0 otherwise */
-extern int ucs2_check_gsm7( cbytes_t ucs2, int ucs2len );
-
-/* convert a ucs2 string into a GSM septet string, assumes 'dst' is NULL or properly sized,
- 'offset' is the starting bit offset in 'dst'. non-representable characters are replaced
- by spaces. returns the number of septets */
-extern int ucs2_to_gsm7( cbytes_t ucs2, int ucs2len, bytes_t dst, int offset );
-
-/* convert a ucs2 string into a GSM septet string, assumes 'dst' is NULL or properly sized,
- non-representable characters are replaced by spaces. returns the number of bytes */
-extern int ucs2_to_gsm8( cbytes_t ucs2, int ucs2len, bytes_t dst );
-
-/* convert a GSM septets string into a ucs2 string. assumes that 'ucs2' is NULL or
- properly sized. 'offset' is the starting bit offset in 'src', 'count' is the number
- of input septets. return the number of ucs2 characters (not bytes) */
-extern int ucs2_from_gsm7( bytes_t ucs2, cbytes_t src, int offset, int count );
-
-/* convert an 8-bit unpacked GSM septets string into a ucs2 string. assumes that 'ucs2'
- is NULL or properly sized. 'count' is the number of input septets. return the number
- of ucs2 characters (not bytes) */
-extern int ucs2_from_gsm8( bytes_t ucs2, cbytes_t src, int count );
-
-
-/** UCS2 to/from UTF8
- **/
-
-/* convert a ucs2 string into a utf8 byte string, assumes 'utf8' NULL or properly sized.
- returns the number of utf8 bytes*/
-extern int ucs2_to_utf8( cbytes_t ucs2, int ucs2len, bytes_t utf8 );
-
-/* convert a utf8 byte string into a ucs2 string, assumes 'ucs2' NULL or properly sized.
- returns the number of ucs2 chars */
-extern int utf8_to_ucs2( cbytes_t utf8, int utf8len, bytes_t ucs2 );
-
-/* try to skip a given number of characters in a utf-8 byte string, return new position */
-extern cbytes_t utf8_skip( cbytes_t utf8, cbytes_t utf8end, int count);
-
-/** Dial Numbers: TON byte + 'count' bcd numbers
- **/
-
-/* convert a bcd-coded GSM dial number into an ASCII string (not zero-terminated)
- assumes 'dst' is NULL or properly sized, returns 0 in case of success, -1 in case of error.
- 'num_digits' is the number of digits, not input bytes. a trailing 0xf0 is ignored automatically
- return the number of ASCII chars */
-extern int gsm_bcdnum_to_ascii ( cbytes_t bcd, int num_digits, bytes_t dst );
-
-/* convert an ASCII dial-number into a bcd-coded string, returns the number of 4-bit nibbles written, */
-extern int gsm_bcdnum_from_ascii( cbytes_t ascii, int asciilen, bytes_t dst );
-
-/** ADN: Abbreviated Dialing Numbers
- **/
-#define SIM_ADN_MAX_ALPHA 20 /* maximum number of characters in ADN alpha tag */
-#define SIM_ADN_MAX_NUMBER 20 /* maximum digits in ADN number */
-
-typedef struct {
- byte_t alpha [ SIM_ADN_MAX_ALPHA*3+1 ]; /* alpha tag in zero-terminated utf-8 */
- char number[ SIM_ADN_MAX_NUMBER+1 ]; /* dialing number in zero-terminated ASCII */
-}
-SimAdnRec, *SimAdn;
-
-typedef struct {
- SimAdnRec adn;
- byte_t ext_record; /* 0 or 0xFF means no extension */
-}
-SimAdnRecordRec, *SimAdnRecord;
-
-extern int sim_adn_record_from_bytes( SimAdnRecord rec, cbytes_t data, int datalen );
-extern int sim_adn_record_to_bytes ( SimAdnRecord rec, bytes_t data, int datalen );
-
-/** ROPES
- **/
-
-typedef struct {
- bytes_t data;
- int max;
- int pos;
- int error;
- unsigned char data0[16];
-} GsmRopeRec, *GsmRope;
-
-extern void gsm_rope_init( GsmRope rope );
-extern void gsm_rope_init_alloc( GsmRope rope, int alloc );
-extern int gsm_rope_done( GsmRope rope );
-extern bytes_t gsm_rope_done_acquire( GsmRope rope, int *psize );
-extern void gsm_rope_add_c( GsmRope rope, char c );
-extern void gsm_rope_add( GsmRope rope, const void* str, int len );
-extern void* gsm_rope_reserve( GsmRope rope, int len );
-
-#endif /* _android_gsm_h */