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update doc.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28458 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr
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1 changed files with 128 additions and 126 deletions
254
pack.c
254
pack.c
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@ -305,7 +305,8 @@ static unsigned long utf8_to_uv(const char*,long*);
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* elements to convert. If the count is an asterisk
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* elements to convert. If the count is an asterisk
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* (``<code>*</code>''), all remaining array elements will be
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* (``<code>*</code>''), all remaining array elements will be
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* converted. Any of the directives ``<code>sSiIlL</code>'' may be
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* converted. Any of the directives ``<code>sSiIlL</code>'' may be
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* followed by an underscore (``<code>_</code>'') to use the underlying
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* followed by an underscore (``<code>_</code>'') or
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* exclamation mark (``<code>!</code>'') to use the underlying
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* platform's native size for the specified type; otherwise, they use a
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* platform's native size for the specified type; otherwise, they use a
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* platform-independent size. Spaces are ignored in the template
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* platform-independent size. Spaces are ignored in the template
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* string. See also <code>String#unpack</code>.
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* string. See also <code>String#unpack</code>.
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@ -318,68 +319,68 @@ static unsigned long utf8_to_uv(const char*,long*);
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*
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*
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* Directives for +pack+.
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* Directives for +pack+.
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*
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*
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* Integer | Array |
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* Integer | Array |
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* Directive | Element | Meaning
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* Directive | Element | Meaning
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* ------------------------------------------------------------------------
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* ---------------------------------------------------------------------------
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* C | Integer | 8-bit unsigned integer (unsigned char)
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* C | Integer | 8-bit unsigned integer (unsigned char)
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* S | Integer | 16-bit unsigned integer, native endian (uint16_t)
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* S | Integer | 16-bit unsigned integer, native endian (uint16_t)
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* L | Integer | 32-bit unsigned integer, native endian (uint32_t)
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* L | Integer | 32-bit unsigned integer, native endian (uint32_t)
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* Q | Integer | 64-bit unsigned integer, native endian (uint64_t)
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* Q | Integer | 64-bit unsigned integer, native endian (uint64_t)
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* | |
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* | |
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* c | Integer | 8-bit signed integer (char)
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* c | Integer | 8-bit signed integer (char)
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* s | Integer | 16-bit signed integer, native endian (int16_t)
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* s | Integer | 16-bit signed integer, native endian (int16_t)
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* l | Integer | 32-bit signed integer, native endian (int32_t)
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* l | Integer | 32-bit signed integer, native endian (int32_t)
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* q | Integer | 64-bit signed integer, native endian (int64_t)
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* q | Integer | 64-bit signed integer, native endian (int64_t)
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* | |
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* | |
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* S_ | Integer | unsigned short, native endian
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* S_, S! | Integer | unsigned short, native endian
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* I, I_ | Integer | unsigned int, native endian
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* I, I_, I! | Integer | unsigned int, native endian
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* L_ | Integer | unsigned long, native endian
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* L_, L! | Integer | unsigned long, native endian
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* | |
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* | |
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* s_ | Integer | signed short, native endian
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* s_, s! | Integer | signed short, native endian
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* i, i_ | Integer | signed int, native endian
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* i, i_, i! | Integer | signed int, native endian
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* l_ | Integer | signed long, native endian
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* l_, l! | Integer | signed long, native endian
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* | |
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* | |
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* n | Integer | 16-bit unsigned integer, network (big-endian) byte order
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* n | Integer | 16-bit unsigned integer, network (big-endian) byte order
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* N | Integer | 32-bit unsigned integer, network (big-endian) byte order
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* N | Integer | 32-bit unsigned integer, network (big-endian) byte order
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* v | Integer | 16-bit unsigned integer, VAX (little-endian) byte order
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* v | Integer | 16-bit unsigned integer, VAX (little-endian) byte order
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* V | Integer | 32-bit unsigned integer, VAX (little-endian) byte order
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* V | Integer | 32-bit unsigned integer, VAX (little-endian) byte order
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* | |
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* | |
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* U | Integer | UTF-8 character
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* U | Integer | UTF-8 character
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* w | Integer | BER-compressed integer
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* w | Integer | BER-compressed integer
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*
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*
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* Float | |
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* Float | |
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* Directive | | Meaning
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* Directive | | Meaning
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* ------------------------------------------------------------------------
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* ---------------------------------------------------------------------------
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* D, d | Float | double-precision float, native format
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* D, d | Float | double-precision float, native format
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* F, f | Float | single-precision float, native format
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* F, f | Float | single-precision float, native format
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* E | Float | double-precision float, little-endian byte order
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* E | Float | double-precision float, little-endian byte order
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* e | Float | single-precision float, little-endian byte order
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* e | Float | single-precision float, little-endian byte order
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* G | Float | double-precision float, network (big-endian) byte order
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* G | Float | double-precision float, network (big-endian) byte order
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* g | Float | single-precision float, network (big-endian) byte order
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* g | Float | single-precision float, network (big-endian) byte order
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*
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*
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* String | |
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* String | |
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* Directive | | Meaning
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* Directive | | Meaning
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* ------------------------------------------------------------------------
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* ---------------------------------------------------------------------------
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* A | String | arbitrary binary string (space padded, count is width)
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* A | String | arbitrary binary string (space padded, count is width)
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* a | String | arbitrary binary string (null padded, count is width)
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* a | String | arbitrary binary string (null padded, count is width)
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* Z | String | same as ``a'', except that null is added with *
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* Z | String | same as ``a'', except that null is added with *
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* B | String | bit string (MSB first)
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* B | String | bit string (MSB first)
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* b | String | bit string (LSB first)
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* b | String | bit string (LSB first)
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* H | String | hex string (high nibble first)
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* H | String | hex string (high nibble first)
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* h | String | hex string (low nibble first)
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* h | String | hex string (low nibble first)
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* u | String | UU-encoded string
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* u | String | UU-encoded string
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* M | String | quoted printable, MIME encoding (see RFC2045)
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* M | String | quoted printable, MIME encoding (see RFC2045)
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* m | String | base64 encoded string (see RFC 2045, count is width)
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* m | String | base64 encoded string (see RFC 2045, count is width)
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* | | (if count is 0, no line feed are added, see RFC 4648)
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* | | (if count is 0, no line feed are added, see RFC 4648)
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* P | String | pointer to a structure (fixed-length string)
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* P | String | pointer to a structure (fixed-length string)
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* p | String | pointer to a null-terminated string
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* p | String | pointer to a null-terminated string
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*
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*
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* Misc. | |
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* Misc. | |
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* Directive | | Meaning
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* Directive | | Meaning
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* ------------------------------------------------------------------------
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* ---------------------------------------------------------------------------
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* @ | --- | moves to absolute position
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* @ | --- | moves to absolute position
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* X | --- | back up a byte
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* X | --- | back up a byte
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* x | --- | null byte
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* x | --- | null byte
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*/
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*/
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static VALUE
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static VALUE
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@ -1213,7 +1214,8 @@ infected_str_new(const char *ptr, long len, VALUE str)
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* by a number, indicating the number of times to repeat with this
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* by a number, indicating the number of times to repeat with this
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* directive. An asterisk (``<code>*</code>'') will use up all
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* directive. An asterisk (``<code>*</code>'') will use up all
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* remaining elements. The directives <code>sSiIlL</code> may each be
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* remaining elements. The directives <code>sSiIlL</code> may each be
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* followed by an underscore (``<code>_</code>'') to use the underlying
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* followed by an underscore (``<code>_</code>'') or
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* exclamation mark (``<code>!</code>'') to use the underlying
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* platform's native size for the specified type; otherwise, it uses a
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* platform's native size for the specified type; otherwise, it uses a
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* platform-independent consistent size. Spaces are ignored in the
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* platform-independent consistent size. Spaces are ignored in the
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* format string. See also <code>Array#pack</code>.
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* format string. See also <code>Array#pack</code>.
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@ -1230,68 +1232,68 @@ infected_str_new(const char *ptr, long len, VALUE str)
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* This table summarizes the various formats and the Ruby classes
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* This table summarizes the various formats and the Ruby classes
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* returned by each.
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* returned by each.
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*
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*
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* Integer | |
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* Integer | |
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* Directive | Returns | Meaning
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* Directive | Returns | Meaning
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* --------------------------------------------------------------
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* -----------------------------------------------------------------
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* C | Integer | 8-bit unsigned integer (unsigned char)
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* C | Integer | 8-bit unsigned integer (unsigned char)
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* S | Integer | 16-bit unsigned integer, native endian (uint16_t)
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* S | Integer | 16-bit unsigned integer, native endian (uint16_t)
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* L | Integer | 32-bit unsigned integer, native endian (uint32_t)
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* L | Integer | 32-bit unsigned integer, native endian (uint32_t)
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* Q | Integer | 64-bit unsigned integer, native endian (uint64_t)
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* Q | Integer | 64-bit unsigned integer, native endian (uint64_t)
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* | |
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* | |
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* c | Integer | 8-bit signed integer (signed char)
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* c | Integer | 8-bit signed integer (signed char)
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* s | Integer | 16-bit signed integer, native endian (int16_t)
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* s | Integer | 16-bit signed integer, native endian (int16_t)
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* l | Integer | 32-bit signed integer, native endian (int32_t)
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* l | Integer | 32-bit signed integer, native endian (int32_t)
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* q | Integer | 64-bit signed integer, native endian (int64_t)
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* q | Integer | 64-bit signed integer, native endian (int64_t)
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* | |
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* | |
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* S_ | Integer | unsigned short, native endian
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* S_, S! | Integer | unsigned short, native endian
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* I, I_ | Integer | unsigned int, native endian
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* I, I_, I! | Integer | unsigned int, native endian
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* L_ | Integer | unsigned long, native endian
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* L_, L! | Integer | unsigned long, native endian
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* | |
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* | |
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* s_ | Integer | signed short, native endian
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* s_, s! | Integer | signed short, native endian
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* i, i_ | Integer | signed int, native endian
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* i, i_, i! | Integer | signed int, native endian
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* l_ | Integer | signed long, native endian
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* l_, l! | Integer | signed long, native endian
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* | |
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* | |
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* n | Integer | 16-bit unsigned integer, network (big-endian) byte order
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* n | Integer | 16-bit unsigned integer, network (big-endian) byte order
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* N | Integer | 32-bit unsigned integer, network (big-endian) byte order
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* N | Integer | 32-bit unsigned integer, network (big-endian) byte order
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* v | Integer | 16-bit unsigned integer, VAX (little-endian) byte order
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* v | Integer | 16-bit unsigned integer, VAX (little-endian) byte order
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* V | Integer | 32-bit unsigned integer, VAX (little-endian) byte order
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* V | Integer | 32-bit unsigned integer, VAX (little-endian) byte order
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* | |
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* | |
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* U | Integer | UTF-8 character
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* U | Integer | UTF-8 character
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* w | Integer | BER-compressed integer (see Array.pack)
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* w | Integer | BER-compressed integer (see Array.pack)
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*
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*
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* Float | |
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* Float | |
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* Directive | Returns | Meaning
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* Directive | Returns | Meaning
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* --------------------------------------------------------------
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* -----------------------------------------------------------------
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* D, d | Float | double-precision float, native format
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* D, d | Float | double-precision float, native format
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* F, f | Float | single-precision float, native format
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* F, f | Float | single-precision float, native format
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* E | Float | double-precision float, little-endian byte order
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* E | Float | double-precision float, little-endian byte order
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* e | Float | single-precision float, little-endian byte order
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* e | Float | single-precision float, little-endian byte order
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* G | Float | double-precision float, network (big-endian) byte order
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* G | Float | double-precision float, network (big-endian) byte order
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* g | Float | single-precision float, network (big-endian) byte order
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* g | Float | single-precision float, network (big-endian) byte order
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*
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*
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* String | |
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* String | |
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* Directive | Returns | Meaning
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* Directive | Returns | Meaning
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* --------------------------------------------------------------
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* -----------------------------------------------------------------
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* A | String | arbitrary binary string (remove trailing nulls and ASCII spaces)
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* A | String | arbitrary binary string (remove trailing nulls and ASCII spaces)
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* a | String | arbitrary binary string
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* a | String | arbitrary binary string
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* Z | String | null-terminated string
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* Z | String | null-terminated string
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* B | String | bit string (MSB first)
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* B | String | bit string (MSB first)
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* b | String | bit string (LSB first)
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* b | String | bit string (LSB first)
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* H | String | hex string (high nibble first)
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* H | String | hex string (high nibble first)
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* h | String | hex string (low nibble first)
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* h | String | hex string (low nibble first)
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* u | String | UU-encoded string
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* u | String | UU-encoded string
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* M | String | quoted-printable, MIME encoding (see RFC2045)
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* M | String | quoted-printable, MIME encoding (see RFC2045)
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* m | String | base64 encoded string (RFC 2045) (default)
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* m | String | base64 encoded string (RFC 2045) (default)
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* | | base64 encoded string (RFC 4648) if followed by 0
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* | | base64 encoded string (RFC 4648) if followed by 0
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* P | String | pointer to a structure (fixed-length string)
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* P | String | pointer to a structure (fixed-length string)
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* p | String | pointer to a null-terminated string
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* p | String | pointer to a null-terminated string
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*
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*
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* Misc. | |
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* Misc. | |
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* Directive | Returns | Meaning
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* Directive | Returns | Meaning
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* --------------------------------------------------------------
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* -----------------------------------------------------------------
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* @ | --- | skip to the offset given by the length argument
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* @ | --- | skip to the offset given by the length argument
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* X | --- | skip backward one byte
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* X | --- | skip backward one byte
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* x | --- | skip forward one byte
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* x | --- | skip forward one byte
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*/
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*/
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static VALUE
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static VALUE
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