string-bundle.zc

来自「实现树形结构」· ZC 代码 · 共 43 行

///////////////////////////////////////////////////////////////////////////////
// string-bundle
///////////////////////////////////////////////////////////////////////////////

import "base/types"
import "base/memory"
import "text/string"
import "memory-bundle"

//-----------------------------------------------------------------------------
// Construct a string from a raw buffer
//-----------------------------------------------------------------------------
public func new string (bundle: memory bundle, s: string)

	def len = size (s) + 1
	def buf = allocate (bundle, len):string
	copy (buf:mem, s:mem, len)
	return buf

end

//-----------------------------------------------------------------------------
// Construct a string from a raw buffer
//-----------------------------------------------------------------------------
public func new string (bundle: memory bundle, s: string, len: dword)

	def buf = allocate (bundle, len+1):string
	copy (buf:mem, s:mem, len)
	buf[len] = \0
	return buf

end

//-----------------------------------------------------------------------------
// Reserve space for a string
//-----------------------------------------------------------------------------
public func new string (bundle: memory bundle, len: dword)

	return allocate (bundle, len+1):string

end