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Gestionnaire de fichiers - Editer - /opt/alt/alt-nodejs14/root/usr/lib/node_modules/npm/node_modules.bundled/jsonparse/jsonparse.js

Arrière
/global Buffer/ // Named constants with unique integer values var C = {}; // Tokens var LEFT_BRACE = C.LEFT_BRACE = 0x1; var RIGHT_BRACE = C.RIGHT_BRACE = 0x2; var LEFT_BRACKET = C.LEFT_BRACKET = 0x3; var RIGHT_BRACKET = C.RIGHT_BRACKET = 0x4; var COLON = C.COLON = 0x5; var COMMA = C.COMMA = 0x6; var TRUE = C.TRUE = 0x7; var FALSE = C.FALSE = 0x8; var NULL = C.NULL = 0x9; var STRING = C.STRING = 0xa; var NUMBER = C.NUMBER = 0xb; // Tokenizer States var START = C.START = 0x11; var STOP = C.STOP = 0x12; var TRUE1 = C.TRUE1 = 0x21; var TRUE2 = C.TRUE2 = 0x22; var TRUE3 = C.TRUE3 = 0x23; var FALSE1 = C.FALSE1 = 0x31; var FALSE2 = C.FALSE2 = 0x32; var FALSE3 = C.FALSE3 = 0x33; var FALSE4 = C.FALSE4 = 0x34; var NULL1 = C.NULL1 = 0x41; var NULL2 = C.NULL2 = 0x42; var NULL3 = C.NULL3 = 0x43; var NUMBER1 = C.NUMBER1 = 0x51; var NUMBER3 = C.NUMBER3 = 0x53; var STRING1 = C.STRING1 = 0x61; var STRING2 = C.STRING2 = 0x62; var STRING3 = C.STRING3 = 0x63; var STRING4 = C.STRING4 = 0x64; var STRING5 = C.STRING5 = 0x65; var STRING6 = C.STRING6 = 0x66; // Parser States var VALUE = C.VALUE = 0x71; var KEY = C.KEY = 0x72; // Parser Modes var OBJECT = C.OBJECT = 0x81; var ARRAY = C.ARRAY = 0x82; // Character constants var BACK_SLASH = "\\".charCodeAt(0); var FORWARD_SLASH = "\/".charCodeAt(0); var BACKSPACE = "\b".charCodeAt(0); var FORM_FEED = "\f".charCodeAt(0); var NEWLINE = "\n".charCodeAt(0); var CARRIAGE_RETURN = "\r".charCodeAt(0); var TAB = "\t".charCodeAt(0); var STRING_BUFFER_SIZE = 64 * 1024; function Parser() { this.tState = START; this.value = undefined; this.string = undefined; // string data this.stringBuffer = Buffer.alloc ? Buffer.alloc(STRING_BUFFER_SIZE) : new Buffer(STRING_BUFFER_SIZE); this.stringBufferOffset = 0; this.unicode = undefined; // unicode escapes this.highSurrogate = undefined; this.key = undefined; this.mode = undefined; this.stack = []; this.state = VALUE; this.bytes_remaining = 0; // number of bytes remaining in multi byte utf8 char to read after split boundary this.bytes_in_sequence = 0; // bytes in multi byte utf8 char to read this.temp_buffs = { "2": new Buffer(2), "3": new Buffer(3), "4": new Buffer(4) }; // for rebuilding chars split before boundary is reached // Stream offset this.offset = -1; } // Slow code to string converter (only used when throwing syntax errors) Parser.toknam = function (code) { var keys = Object.keys(C); for (var i = 0, l = keys.length; i < l; i++) { var key = keys[i]; if (C[key] === code) { return key; } } return code && ("0x" + code.toString(16)); }; var proto = Parser.prototype; proto.onError = function (err) { throw err; }; proto.charError = function (buffer, i) { this.tState = STOP; this.onError(new Error("Unexpected " + JSON.stringify(String.fromCharCode(buffer[i])) + " at position " + i + " in state " + Parser.toknam(this.tState))); }; proto.appendStringChar = function (char) { if (this.stringBufferOffset >= STRING_BUFFER_SIZE) { this.string += this.stringBuffer.toString('utf8'); this.stringBufferOffset = 0; } this.stringBuffer[this.stringBufferOffset++] = char; }; proto.appendStringBuf = function (buf, start, end) { var size = buf.length; if (typeof start === 'number') { if (typeof end === 'number') { if (end < 0) { // adding a negative end decreeses the size size = buf.length - start + end; } else { size = end - start; } } else { size = buf.length - start; } } if (size < 0) { size = 0; } if (this.stringBufferOffset + size > STRING_BUFFER_SIZE) { this.string += this.stringBuffer.toString('utf8', 0, this.stringBufferOffset); this.stringBufferOffset = 0; } buf.copy(this.stringBuffer, this.stringBufferOffset, start, end); this.stringBufferOffset += size; }; proto.write = function (buffer) { if (typeof buffer === "string") buffer = new Buffer(buffer); var n; for (var i = 0, l = buffer.length; i < l; i++) { if (this.tState === START){ n = buffer[i]; this.offset++; if(n === 0x7b){ this.onToken(LEFT_BRACE, "{"); // { }else if(n === 0x7d){ this.onToken(RIGHT_BRACE, "}"); // } }else if(n === 0x5b){ this.onToken(LEFT_BRACKET, "["); // [ }else if(n === 0x5d){ this.onToken(RIGHT_BRACKET, "]"); // ] }else if(n === 0x3a){ this.onToken(COLON, ":"); // : }else if(n === 0x2c){ this.onToken(COMMA, ","); // , }else if(n === 0x74){ this.tState = TRUE1; // t }else if(n === 0x66){ this.tState = FALSE1; // f }else if(n === 0x6e){ this.tState = NULL1; // n }else if(n === 0x22){ // " this.string = ""; this.stringBufferOffset = 0; this.tState = STRING1; }else if(n === 0x2d){ this.string = "-"; this.tState = NUMBER1; // - }else{ if (n >= 0x30 && n < 0x40) { // 1-9 this.string = String.fromCharCode(n); this.tState = NUMBER3; } else if (n === 0x20 \|\| n === 0x09 \|\| n === 0x0a \|\| n === 0x0d) { // whitespace } else { return this.charError(buffer, i); } } }else if (this.tState === STRING1){ // After open quote n = buffer[i]; // get current byte from buffer // check for carry over of a multi byte char split between data chunks // & fill temp buffer it with start of this data chunk up to the boundary limit set in the last iteration if (this.bytes_remaining > 0) { for (var j = 0; j < this.bytes_remaining; j++) { this.temp_buffs[this.bytes_in_sequence][this.bytes_in_sequence - this.bytes_remaining + j] = buffer[j]; } this.appendStringBuf(this.temp_buffs[this.bytes_in_sequence]); this.bytes_in_sequence = this.bytes_remaining = 0; i = i + j - 1; } else if (this.bytes_remaining === 0 && n >= 128) { // else if no remainder bytes carried over, parse multi byte (>=128) chars one at a time if (n <= 193 \|\| n > 244) { return this.onError(new Error("Invalid UTF-8 character at position " + i + " in state " + Parser.toknam(this.tState))); } if ((n >= 194) && (n <= 223)) this.bytes_in_sequence = 2; if ((n >= 224) && (n <= 239)) this.bytes_in_sequence = 3; if ((n >= 240) && (n <= 244)) this.bytes_in_sequence = 4; if ((this.bytes_in_sequence + i) > buffer.length) { // if bytes needed to complete char fall outside buffer length, we have a boundary split for (var k = 0; k <= (buffer.length - 1 - i); k++) { this.temp_buffs[this.bytes_in_sequence][k] = buffer[i + k]; // fill temp buffer of correct size with bytes available in this chunk } this.bytes_remaining = (i + this.bytes_in_sequence) - buffer.length; i = buffer.length - 1; } else { this.appendStringBuf(buffer, i, i + this.bytes_in_sequence); i = i + this.bytes_in_sequence - 1; } } else if (n === 0x22) { this.tState = START; this.string += this.stringBuffer.toString('utf8', 0, this.stringBufferOffset); this.stringBufferOffset = 0; this.onToken(STRING, this.string); this.offset += Buffer.byteLength(this.string, 'utf8') + 1; this.string = undefined; } else if (n === 0x5c) { this.tState = STRING2; } else if (n >= 0x20) { this.appendStringChar(n); } else { return this.charError(buffer, i); } }else if (this.tState === STRING2){ // After backslash n = buffer[i]; if(n === 0x22){ this.appendStringChar(n); this.tState = STRING1; }else if(n === 0x5c){ this.appendStringChar(BACK_SLASH); this.tState = STRING1; }else if(n === 0x2f){ this.appendStringChar(FORWARD_SLASH); this.tState = STRING1; }else if(n === 0x62){ this.appendStringChar(BACKSPACE); this.tState = STRING1; }else if(n === 0x66){ this.appendStringChar(FORM_FEED); this.tState = STRING1; }else if(n === 0x6e){ this.appendStringChar(NEWLINE); this.tState = STRING1; }else if(n === 0x72){ this.appendStringChar(CARRIAGE_RETURN); this.tState = STRING1; }else if(n === 0x74){ this.appendStringChar(TAB); this.tState = STRING1; }else if(n === 0x75){ this.unicode = ""; this.tState = STRING3; }else{ return this.charError(buffer, i); } }else if (this.tState === STRING3 \|\| this.tState === STRING4 \|\| this.tState === STRING5 \|\| this.tState === STRING6){ // unicode hex codes n = buffer[i]; // 0-9 A-F a-f if ((n >= 0x30 && n < 0x40) \|\| (n > 0x40 && n <= 0x46) \|\| (n > 0x60 && n <= 0x66)) { this.unicode += String.fromCharCode(n); if (this.tState++ === STRING6) { var intVal = parseInt(this.unicode, 16); this.unicode = undefined; if (this.highSurrogate !== undefined && intVal >= 0xDC00 && intVal < (0xDFFF + 1)) { //<56320,57343> - lowSurrogate this.appendStringBuf(new Buffer(String.fromCharCode(this.highSurrogate, intVal))); this.highSurrogate = undefined; } else if (this.highSurrogate === undefined && intVal >= 0xD800 && intVal < (0xDBFF + 1)) { //<55296,56319> - highSurrogate this.highSurrogate = intVal; } else { if (this.highSurrogate !== undefined) { this.appendStringBuf(new Buffer(String.fromCharCode(this.highSurrogate))); this.highSurrogate = undefined; } this.appendStringBuf(new Buffer(String.fromCharCode(intVal))); } this.tState = STRING1; } } else { return this.charError(buffer, i); } } else if (this.tState === NUMBER1 \|\| this.tState === NUMBER3) { n = buffer[i]; switch (n) { case 0x30: // 0 case 0x31: // 1 case 0x32: // 2 case 0x33: // 3 case 0x34: // 4 case 0x35: // 5 case 0x36: // 6 case 0x37: // 7 case 0x38: // 8 case 0x39: // 9 case 0x2e: // . case 0x65: // e case 0x45: // E case 0x2b: // + case 0x2d: // - this.string += String.fromCharCode(n); this.tState = NUMBER3; break; default: this.tState = START; var result = Number(this.string); if (isNaN(result)){ return this.charError(buffer, i); } if ((this.string.match(/[0-9]+/) == this.string) && (result.toString() != this.string)) { // Long string of digits which is an ID string and not valid and/or safe JavaScript integer Number this.onToken(STRING, this.string); } else { this.onToken(NUMBER, result); } this.offset += this.string.length - 1; this.string = undefined; i--; break; } }else if (this.tState === TRUE1){ // r if (buffer[i] === 0x72) { this.tState = TRUE2; } else { return this.charError(buffer, i); } }else if (this.tState === TRUE2){ // u if (buffer[i] === 0x75) { this.tState = TRUE3; } else { return this.charError(buffer, i); } }else if (this.tState === TRUE3){ // e if (buffer[i] === 0x65) { this.tState = START; this.onToken(TRUE, true); this.offset+= 3; } else { return this.charError(buffer, i); } }else if (this.tState === FALSE1){ // a if (buffer[i] === 0x61) { this.tState = FALSE2; } else { return this.charError(buffer, i); } }else if (this.tState === FALSE2){ // l if (buffer[i] === 0x6c) { this.tState = FALSE3; } else { return this.charError(buffer, i); } }else if (this.tState === FALSE3){ // s if (buffer[i] === 0x73) { this.tState = FALSE4; } else { return this.charError(buffer, i); } }else if (this.tState === FALSE4){ // e if (buffer[i] === 0x65) { this.tState = START; this.onToken(FALSE, false); this.offset+= 4; } else { return this.charError(buffer, i); } }else if (this.tState === NULL1){ // u if (buffer[i] === 0x75) { this.tState = NULL2; } else { return this.charError(buffer, i); } }else if (this.tState === NULL2){ // l if (buffer[i] === 0x6c) { this.tState = NULL3; } else { return this.charError(buffer, i); } }else if (this.tState === NULL3){ // l if (buffer[i] === 0x6c) { this.tState = START; this.onToken(NULL, null); this.offset += 3; } else { return this.charError(buffer, i); } } } }; proto.onToken = function (token, value) { // Override this to get events }; proto.parseError = function (token, value) { this.tState = STOP; this.onError(new Error("Unexpected " + Parser.toknam(token) + (value ? ("(" + JSON.stringify(value) + ")") : "") + " in state " + Parser.toknam(this.state))); }; proto.push = function () { this.stack.push({value: this.value, key: this.key, mode: this.mode}); }; proto.pop = function () { var value = this.value; var parent = this.stack.pop(); this.value = parent.value; this.key = parent.key; this.mode = parent.mode; this.emit(value); if (!this.mode) { this.state = VALUE; } }; proto.emit = function (value) { if (this.mode) { this.state = COMMA; } this.onValue(value); }; proto.onValue = function (value) { // Override me }; proto.onToken = function (token, value) { if(this.state === VALUE){ if(token === STRING \|\| token === NUMBER \|\| token === TRUE \|\| token === FALSE \|\| token === NULL){ if (this.value) { this.value[this.key] = value; } this.emit(value); }else if(token === LEFT_BRACE){ this.push(); if (this.value) { this.value = this.value[this.key] = {}; } else { this.value = {}; } this.key = undefined; this.state = KEY; this.mode = OBJECT; }else if(token === LEFT_BRACKET){ this.push(); if (this.value) { this.value = this.value[this.key] = []; } else { this.value = []; } this.key = 0; this.mode = ARRAY; this.state = VALUE; }else if(token === RIGHT_BRACE){ if (this.mode === OBJECT) { this.pop(); } else { return this.parseError(token, value); } }else if(token === RIGHT_BRACKET){ if (this.mode === ARRAY) { this.pop(); } else { return this.parseError(token, value); } }else{ return this.parseError(token, value); } }else if(this.state === KEY){ if (token === STRING) { this.key = value; this.state = COLON; } else if (token === RIGHT_BRACE) { this.pop(); } else { return this.parseError(token, value); } }else if(this.state === COLON){ if (token === COLON) { this.state = VALUE; } else { return this.parseError(token, value); } }else if(this.state === COMMA){ if (token === COMMA) { if (this.mode === ARRAY) { this.key++; this.state = VALUE; } else if (this.mode === OBJECT) { this.state = KEY; } } else if (token === RIGHT_BRACKET && this.mode === ARRAY \|\| token === RIGHT_BRACE && this.mode === OBJECT) { this.pop(); } else { return this.parseError(token, value); } }else{ return this.parseError(token, value); } }; Parser.C = C; module.exports = Parser;