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lat::ZipUtils Struct Reference

Useful tools in various places, but scoped into our classes. More...

#include <Iguana/Utilities/classlib/zip/ZipUtils.h>

Inheritance diagram for lat::ZipUtils:

List of all members.

Public Types
enum	{ OPEN_READ = 1 }
enum	{ OPEN_WRITE = 2 }
Static Protected Member Functions
static bool	extract (IOInput *input, void *buffer, IOSize size, IOSize n)
static unsigned	get (const void *buffer, IOSize bytes)
	Read a bytes-long little-endian integer value from buffer.
static unsigned	getHex (const void *buffer, IOSize bytes)
static unsigned	getOctal (const void *buffer, IOSize bytes)
	Read a bytes-long ASCII-octal integer value from buffer.
static void	put (void *buffer, IOSize bytes, unsigned value)
	Write value into buffer as bytes-long integer in little-endian byte order.
static void	putHex (void *buffer, IOSize bytes, unsigned value)
static void	putOctal (void *buffer, IOSize bytes, unsigned value, bool null=true)
	Write value into buffer as bytes-long integer in ASCII octal.

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Detailed Description

Useful tools in various places, but scoped into our classes.

Definition at line 21 of file ZipUtils.h.

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Member Enumeration Documentation

anonymous enum

Enumerator:

OPEN_READ

Definition at line 24 of file ZipUtils.h.

{ OPEN_READ                     = 1 };

anonymous enum

Enumerator:

OPEN_WRITE

Definition at line 25 of file ZipUtils.h.

{ OPEN_WRITE                    = 2 };

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Member Function Documentation

static bool lat::ZipUtils::extract	(	IOInput *	input,
		void *	buffer,
		IOSize	size,
		IOSize	n
	)			[static, protected]

unsigned lat::ZipUtils::get	(	const void *	buffer,
		IOSize	bytes
	)			[inline, static, protected]

Read a bytes-long little-endian integer value from buffer.

Definition at line 50 of file ZipUtils.h.

References value.

{
    const unsigned char *buf = static_cast<const unsigned char *> (buffer);
    unsigned value = 0;
    for (unsigned shift = 0; bytes; shift += 8, --bytes, ++buf)
        value += *buf << shift;

    return value;
}

static unsigned lat::ZipUtils::getHex	(	const void *	buffer,
		IOSize	bytes
	)			[static, protected]

unsigned lat::ZipUtils::getOctal	(	const void *	buffer,
		IOSize	bytes
	)			[inline, static, protected]

Read a bytes-long ASCII-octal integer value from buffer.

Definition at line 62 of file ZipUtils.h.

References value.

{
    const unsigned char *buf = static_cast<const unsigned char *> (buffer);
    unsigned value = 0;
    for ( ; bytes && *buf >= '0' && *buf <= '7'; --bytes, ++buf)
        value = (value << 3) + (*buf - '0');

    return value;
}

void lat::ZipUtils::put	(	void *	buffer,
		IOSize	bytes,
		unsigned	value
	)			[inline, static, protected]

Write value into buffer as bytes-long integer in little-endian byte order.

Definition at line 75 of file ZipUtils.h.

{
    unsigned char *buf = static_cast<unsigned char *> (buffer);
    for ( ; bytes; value >>= 8, --bytes, ++buf)
        *buf = value & 0xff;
}

static void lat::ZipUtils::putHex	(	void *	buffer,
		IOSize	bytes,
		unsigned	value
	)			[static, protected]

void lat::ZipUtils::putOctal	(	void *	buffer,
		IOSize	bytes,
		unsigned	value,
		bool	null = true
	)			[inline, static, protected]

Write value into buffer as bytes-long integer in ASCII octal.

Definition at line 85 of file ZipUtils.h.

{
    unsigned char *buf = static_cast<unsigned char *> (buffer);
    if (null)
        buf [--bytes] = '\0';

    for (; bytes; value >>= 3)
        buf [--bytes] = (value & 7) + '0';
}

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The documentation for this struct was generated from the following file:

• Iguana/Utilities/classlib/zip/ZipUtils.h

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