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const l1 = '{% id field1="value1" field2="value2" field3=42 %}';
const l2 = '{% youtube title="Title \"quoted\" done" foo="bar" baz=31 %}';
const l3 = '{% youtube title="Title with escaped backslash \\" %}';
const l4 = '{% id field="val1" field2="val2" %}';
const l5 = '{% test field1="value1" df=42 %}';
const l6 = 'LINES';
const l7 = 'More Lines';
const l8 = '{% endtest %}';
function prev_space(pos, line) {
let i = pos;
while (line.charAt(i) != " ") {
i--;
}
return i;
}
function proc(line_num, line, field, value) {
if (line.charAt(0) == '{') {
let eq_pos = [];
for (let i = 2; i < line.length; i++) {
if (line.charAt(i) == '=') {
eq_pos.push(i);
}
}
let num_of_fields = eq_pos.length;
let id = "";
let id_flag = true;
for (let i = 3; i < line.length; i++) {
if (id_flag && (line[i] == ' ')) {
continue;
}
else if (id_flag) {
id += line.charAt(i);
id_flag = false;
}
else {
if (line.charAt(i) == ' ') {
break;
} else {
id += line.charAt(i);
}
}
}
if (id.substring(0,3) == "end") {
return;
}
console.log("Name =>", id);
field[line_num] = [];
for (let i = 0; i < num_of_fields; i++) {
let eq = eq_pos[i];
let sp = prev_space(eq, line);
let word = "";
for (let k = sp + 1; k < eq; k++) {
word += line.charAt(k);
}
field[line_num].push(word);
}
value[line_num] = [];
for (let l = 0; l < num_of_fields - 1; l++) {
let eq = eq_pos[l];
let eq_next = eq_pos[l + 1];
let fieldlen = field[line_num][l + 1].length;
let value_word = "";
for (let k = eq + 1; k < eq_next - fieldlen; k++) {
value_word += line.charAt(k);
}
value[line_num].push(value_word);
}
let eq = eq_pos[num_of_fields - 1];
let last_field = "";
for (let i = eq + 1; i < line.length - 3; i++) {
last_field += line.charAt(i);
}
value[line_num].push(last_field);
console.log("Fields => {");
for (let l = 0; l < num_of_fields; l++) {
console.log("\t",field[line_num][l], "->", value[line_num][l]);
}
console.log("}");
} else {
console.log("Text =>", line);
}
}
function main() {
let field = [], value = [];
let i = 0;
for (let l of [l1, l2, l3, l4, l5, l6, l7, l8]) {
proc(i, l, field, value);
i++;
}
}
main();
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