本文整理汇总了TypeScript中angular2/src/facade/lang.StringWrapper.fromCharCode方法的典型用法代码示例。如果您正苦于以下问题:TypeScript StringWrapper.fromCharCode方法的具体用法?TypeScript StringWrapper.fromCharCode怎么用?TypeScript StringWrapper.fromCharCode使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类angular2/src/facade/lang.StringWrapper
的用法示例。
在下文中一共展示了StringWrapper.fromCharCode方法的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: scanString
scanString(): Token {
assert(this.peek == $SQ || this.peek == $DQ);
var start: int = this.index;
var quote: int = this.peek;
this.advance(); // Skip initial quote.
var buffer: StringJoiner;
var marker: int = this.index;
var input: string = this.input;
while (this.peek != quote) {
if (this.peek == $BACKSLASH) {
if (buffer == null) buffer = new StringJoiner();
buffer.add(input.substring(marker, this.index));
this.advance();
var unescapedCode: int;
if (this.peek == $u) {
// 4 character hex code for unicode character.
var hex: string = input.substring(this.index + 1, this.index + 5);
try {
unescapedCode = NumberWrapper.parseInt(hex, 16);
} catch (e) {
this.error(`Invalid unicode escape [\\u${hex}]`, 0);
}
for (var i: int = 0; i < 5; i++) {
this.advance();
}
} else {
unescapedCode = unescape(this.peek);
this.advance();
}
buffer.add(StringWrapper.fromCharCode(unescapedCode));
marker = this.index;
} else if (this.peek == $EOF) {
this.error('Unterminated quote', 0);
} else {
this.advance();
}
}
var last: string = input.substring(marker, this.index);
this.advance(); // Skip terminating quote.
// Compute the unescaped string value.
var unescaped: string = last;
if (buffer != null) {
buffer.add(last);
unescaped = buffer.toString();
}
return newStringToken(start, unescaped);
}
示例2: scanString
scanString() {
assert(this.peek == $SQ || this.peek == $DQ);
var start = this.index;
var quote = this.peek;
this.advance();
var buffer;
var marker = this.index;
var input = this.input;
while (this.peek != quote) {
if (this.peek == $BACKSLASH) {
if (buffer == null)
buffer = new StringJoiner();
buffer.add(input.substring(marker, this.index));
this.advance();
var unescapedCode;
if (this.peek == $u) {
var hex = input.substring(this.index + 1, this.index + 5);
try {
unescapedCode = NumberWrapper.parseInt(hex, 16);
} catch (e) {
this.error(`Invalid unicode escape [\\u${hex}]`, 0);
}
for (var i = 0; i < 5; i++) {
this.advance();
}
} else {
unescapedCode = unescape(this.peek);
this.advance();
}
buffer.add(StringWrapper.fromCharCode(unescapedCode));
marker = this.index;
} else if (this.peek == $EOF) {
this.error('Unterminated quote', 0);
} else {
this.advance();
}
}
var last = input.substring(marker, this.index);
this.advance();
var unescaped = last;
if (buffer != null) {
buffer.add(last);
unescaped = buffer.toString();
}
return newStringToken(start, unescaped);
}
示例3: scanToken
scanToken():Token {
var input = this.input,
length = this.length,
peek = this.peek,
index = this.index;
// Skip whitespace.
while (peek <= $SPACE) {
if (++index >= length) {
peek = $EOF;
break;
} else {
peek = StringWrapper.charCodeAt(input, index);
}
}
this.peek = peek;
this.index = index;
if (index >= length) {
return null;
}
// Handle identifiers and numbers.
if (isIdentifierStart(peek)) return this.scanIdentifier();
if (isDigit(peek)) return this.scanNumber(index);
var start:int = index;
switch (peek) {
case $PERIOD:
this.advance();
return isDigit(this.peek) ? this.scanNumber(start) :
newCharacterToken(start, $PERIOD);
case $LPAREN: case $RPAREN:
case $LBRACE: case $RBRACE:
case $LBRACKET: case $RBRACKET:
case $COMMA:
case $COLON:
case $SEMICOLON:
return this.scanCharacter(start, peek);
case $SQ:
case $DQ:
return this.scanString();
case $HASH:
return this.scanOperator(start, StringWrapper.fromCharCode(peek));
case $PLUS:
case $MINUS:
case $STAR:
case $SLASH:
case $PERCENT:
case $CARET:
case $QUESTION:
return this.scanOperator(start, StringWrapper.fromCharCode(peek));
case $LT:
case $GT:
case $BANG:
case $EQ:
return this.scanComplexOperator(start, $EQ, StringWrapper.fromCharCode(peek), '=');
case $AMPERSAND:
return this.scanComplexOperator(start, $AMPERSAND, '&', '&');
case $BAR:
return this.scanComplexOperator(start, $BAR, '|', '|');
case $TILDE:
return this.scanComplexOperator(start, $SLASH, '~', '/');
case $NBSP:
while (isWhitespace(this.peek)) this.advance();
return this.scanToken();
}
this.error(`Unexpected character [${StringWrapper.fromCharCode(peek)}]`, 0);
return null;
}
示例4: newCharacterToken
function newCharacterToken(index:int, code:int):Token {
return new Token(index, TOKEN_TYPE_CHARACTER, code, StringWrapper.fromCharCode(code));
}
示例5: _randomChar
function _randomChar(): string {
return StringWrapper.fromCharCode(97 + Math.floor(Math.random() * 25));
}
示例6: expectCharacter
expectCharacter(code: int) {
if (this.optionalCharacter(code)) return;
this.error(`Missing expected ${StringWrapper.fromCharCode(code)}`);
}
示例7: randomChar
function randomChar() {
var n = randomNum(62);
if (n < 10) return n.toString(); // 1-10
if (n < 36) return StringWrapper.fromCharCode(n + 55); // A-Z
return StringWrapper.fromCharCode(n + 61); // a-z
}