UTF-8 string editor. More...

#include <utf8stringeditor.h>

Collaboration diagram for gcn::UTF8StringEditor:

Static Public Member Functions
static int	nextChar (const std::string &text, int byteOffset)
	Returns byte offset of the next character. More...

static int	prevChar (const std::string &text, int byteOffset)
	Returns byte offset of the previous character. More...

static int	eraseChar (std::string &text, int byteOffset)
	Erase character at specified byte offset. More...

static int	insertChar (std::string &text, int byteOffset, int ch)
	Insert a character at specified byte offset. More...

static int	countChars (const std::string &text, int byteOffset)
	Counts characters up to byteOffset. More...

static int	getOffset (const std::string &text, int charIndex)
	Gets byte offset for character index. More...

Detailed Description

UTF-8 string editor.

This is a helper class which allows to use UTF-8 strings in your application.

Author: Przemyslaw Grzywacz

Definition at line 45 of file utf8stringeditor.h.

Member Function Documentation

int gcn::UTF8StringEditor::countChars	(	const std::string &	text,
		int	byteOffset
	)

static

Counts characters up to byteOffset.

Parameters

text	UTF-8 text to navigate.
byteOffset	Byte offset inside the text.

Returns: Number of characters.

Definition at line 91 of file utf8stringeditor.cpp.

References utf8::distance().

Referenced by gcn::UTF8TextBox::keyPressed(), and gcn::UTF8TextBox::setCaretRowUTF8().

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int gcn::UTF8StringEditor::eraseChar	(	std::string &	text,
		int	byteOffset
	)

static

Erase character at specified byte offset.

Parameters

text	UTF-8 text to modify.
byteOffset	Byte offset of the character to erase.

Returns: New byte offset (is equal to byteOffset).

Definition at line 58 of file utf8stringeditor.cpp.

References utf8::next().

Referenced by gcn::UTF8TextField::keyPressed(), and gcn::UTF8TextBox::keyPressed().

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int gcn::UTF8StringEditor::getOffset	(	const std::string &	text,
		int	charIndex
	)

static

Gets byte offset for character index.

This method automaticly clips charIndex to be inside the string + EOF

Parameters

text	UTF-8 text to navigate.
charIndex	Character index to move to.

Returns: Byte offset of character at charIndex.

Definition at line 96 of file utf8stringeditor.cpp.

References utf8::next().

Referenced by gcn::UTF8TextBox::keyPressed(), gcn::UTF8TextBox::setCaretColumnUTF8(), and gcn::UTF8TextBox::setCaretRowUTF8().

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int gcn::UTF8StringEditor::insertChar	(	std::string &	text,
		int	byteOffset,
		int	ch
	)

static

Insert a character at specified byte offset.

Parameters

text	UTF-8 text to modify.
byteOffset	Byte offset where character will be inserted.
ch	Unicode character to insert.

Returns: New byte offset (after the new character).

Definition at line 69 of file utf8stringeditor.cpp.

References utf8::append(), and utf8::next().

Referenced by gcn::UTF8TextField::keyPressed(), and gcn::UTF8TextBox::keyPressed().

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int gcn::UTF8StringEditor::nextChar	(	const std::string &	text,
		int	byteOffset
	)

static

Returns byte offset of the next character.

Parameters

text	UTF-8 text to navigate.
byteOffset	Byte offset of current character.

Returns: Byte offset of the next character.

Definition at line 36 of file utf8stringeditor.cpp.

References utf8::next().

Referenced by gcn::UTF8TextField::keyPressed(), and gcn::UTF8TextBox::keyPressed().

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int gcn::UTF8StringEditor::prevChar	(	const std::string &	text,
		int	byteOffset
	)

static

Returns byte offset of the previous character.

Parameters

text	UTF-8 text to navigate.
byteOffset	Byte offset of current character.

Returns: Byte offset of the previous character.

Definition at line 47 of file utf8stringeditor.cpp.

References utf8::prior().

Referenced by gcn::UTF8TextField::keyPressed(), and gcn::UTF8TextBox::keyPressed().

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The documentation for this class was generated from the following files:

engine/core/util/utf8/utf8stringeditor.h
engine/core/util/utf8/utf8stringeditor.cpp

Static Public Member Functions

Detailed Description

Member Function Documentation