diff options
author | Danijel Andjelkovic <adanijel99@gmail.com> | 2022-03-01 21:54:41 +0100 |
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committer | Danijel Andjelkovic <adanijel99@gmail.com> | 2022-03-01 21:54:41 +0100 |
commit | 6c8128f9fd5a5d0be115806c35a21b3d683df8d6 (patch) | |
tree | f46c2f6b3b9b294ff32bd75c08ccdc9e7a8cc4ef /sandbox/testAppNevena/Front/node_modules/jsonparse/jsonparse.js | |
parent | 2400b84e95913665da6279114168148444b8f9ab (diff) | |
parent | 7d3640f824f46490b47bd95f1c5a16644f712068 (diff) |
Merge branch 'dev' of http://gitlab.pmf.kg.ac.rs/igrannonica/neuronstellar into logo
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/jsonparse/jsonparse.js')
-rw-r--r-- | sandbox/testAppNevena/Front/node_modules/jsonparse/jsonparse.js | 413 |
1 files changed, 413 insertions, 0 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/jsonparse/jsonparse.js b/sandbox/testAppNevena/Front/node_modules/jsonparse/jsonparse.js new file mode 100644 index 00000000..39910608 --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/jsonparse/jsonparse.js @@ -0,0 +1,413 @@ +/*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; |