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(() => {
class FilteredSearchTokenizer {
static parseToken(input) {
const colonIndex = input.indexOf(':');
let tokenKey;
let tokenValue;
let tokenSymbol;
if (colonIndex !== -1) {
tokenKey = input.slice(0, colonIndex).toLowerCase();
tokenValue = input.slice(colonIndex + 1);
tokenSymbol = tokenValue[0];
}
return {
tokenKey,
tokenValue,
tokenSymbol,
};
}
static getLastTokenObject(input) {
const token = FilteredSearchTokenizer.getLastToken(input);
const colonIndex = token.indexOf(':');
const key = colonIndex !== -1 ? token.slice(0, colonIndex) : '';
const value = colonIndex !== -1 ? token.slice(colonIndex) : token;
return {
key,
value,
};
}
static getLastToken(input) {
let completeToken = false;
let completeQuotation = true;
let lastQuotation = '';
let i = input.length;
const doubleQuote = '"';
const singleQuote = '\'';
while (!completeToken && i >= 0) {
const isDoubleQuote = input[i] === doubleQuote;
const isSingleQuote = input[i] === singleQuote;
// If the second quotation is found
if ((lastQuotation === doubleQuote && isDoubleQuote) ||
(lastQuotation === singleQuote && isSingleQuote)) {
completeQuotation = true;
}
// Save the first quotation
if ((isDoubleQuote && lastQuotation === '') ||
(isSingleQuote && lastQuotation === '')) {
lastQuotation = input[i];
completeQuotation = false;
}
if (completeQuotation && input[i] === ' ') {
completeToken = true;
} else {
i -= 1;
}
}
// Adjust by 1 because of empty space
return input.slice(i + 1);
}
static processTokens(input) {
const tokens = [];
let searchToken = '';
let lastToken = '';
const inputs = input.split(' ');
let searchTerms = '';
let lastQuotation = '';
let incompleteToken = false;
// Iterate through each word (broken up by spaces)
inputs.forEach((i) => {
if (incompleteToken) {
// Continue previous token as it had an escaped
// quote in the beginning
const prevToken = tokens.last();
prevToken.value += ` ${i}`;
// Remove last quotation from the value
const lastQuotationRegex = new RegExp(lastQuotation, 'g');
prevToken.value = prevToken.value.replace(lastQuotationRegex, '');
tokens[tokens.length - 1] = prevToken;
// Check to see if this quotation completes the token value
if (i.indexOf(lastQuotation) !== -1) {
lastToken = tokens.last();
incompleteToken = !incompleteToken;
}
return;
}
const colonIndex = i.indexOf(':');
if (colonIndex !== -1) {
const { tokenKey, tokenValue, tokenSymbol } = gl.FilteredSearchTokenizer.parseToken(i);
const keyMatch = gl.FilteredSearchTokenKeys.searchByKey(tokenKey);
const symbolMatch = gl.FilteredSearchTokenKeys.searchBySymbol(tokenSymbol);
const doubleQuoteOccurrences = tokenValue.split('"').length - 1;
const singleQuoteOccurrences = tokenValue.split('\'').length - 1;
const doubleQuoteIndex = tokenValue.indexOf('"');
const singleQuoteIndex = tokenValue.indexOf('\'');
const doubleQuoteExist = doubleQuoteIndex !== -1;
const singleQuoteExist = singleQuoteIndex !== -1;
const doubleQuoteExistOnly = doubleQuoteExist && !singleQuoteExist;
const doubleQuoteIsBeforeSingleQuote =
doubleQuoteExist && singleQuoteExist && doubleQuoteIndex < singleQuoteIndex;
const singleQuoteExistOnly = singleQuoteExist && !doubleQuoteExist;
const singleQuoteIsBeforeDoubleQuote =
doubleQuoteExist && singleQuoteExist && singleQuoteIndex < doubleQuoteIndex;
if ((doubleQuoteExistOnly || doubleQuoteIsBeforeSingleQuote)
&& doubleQuoteOccurrences % 2 !== 0) {
// " is found and is in front of ' (if any)
lastQuotation = '"';
incompleteToken = true;
} else if ((singleQuoteExistOnly || singleQuoteIsBeforeDoubleQuote)
&& singleQuoteOccurrences % 2 !== 0) {
// ' is found and is in front of " (if any)
lastQuotation = '\'';
incompleteToken = true;
}
if (keyMatch && tokenValue.length > 0) {
tokens.push({
key: keyMatch.key,
value: tokenValue,
wildcard: !symbolMatch,
});
lastToken = tokens.last();
return;
}
}
// Add space for next term
searchTerms += `${i} `;
lastToken = i;
}, this);
searchToken = searchTerms.trim();
return {
tokens,
searchToken,
lastToken,
};
}
}
window.gl = window.gl || {};
gl.FilteredSearchTokenizer = FilteredSearchTokenizer;
})();
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