view.entity-module.CommandParser.js Maven / Gradle / Ivy
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Entity Manager module for the CodinGame engine toolkit. Simplify the management of shapes and drawings.
import { CreateCommand, PropertiesCommand, LoadCommand } from './Command.js'
const COMMAND_KEY_MAP = {
C: CreateCommand,
U: PropertiesCommand,
L: LoadCommand
}
function splitOnCharOutsideQuotes (text, charParam) {
const res = []
let current = ''
let idx = 0
let lastChar = ''
let inQuotes = false
while (idx < text.length) {
const char = text[idx++]
if (char === charParam) {
if (!inQuotes) {
res.push(current)
current = ''
} else {
current += char
}
} else if (char === "'" && lastChar !== '\\') {
inQuotes = !inQuotes
current += char
} else if (lastChar === '\\') {
if (char === "'") {
current += "\\'"
} else {
current += '\\' + char
}
} else if (char !== '\\') {
current += char
}
lastChar = char
}
res.push(current)
return res
};
function getCommands (Type, text, globalData, frameInfo) {
const args = splitOnCharOutsideQuotes(text, ';')
const commands = []
args.forEach(command => commands.push(new Type(splitOnCharOutsideQuotes(command, ' '), globalData, frameInfo)))
return commands
}
export class CommandParser {
static parse (line, globalData, frameInfo) {
let commands = []
const commandChunks = splitOnCharOutsideQuotes(line, '\n')
for (const i in commandChunks) {
const type = COMMAND_KEY_MAP[commandChunks[i][0]]
if (type) {
commands = [...commands, ...getCommands(type, commandChunks[i].slice(1), globalData, frameInfo)]
} else {
throw new Error('Unrecognised command : ' + commandChunks[i][0])
}
}
return commands
}
}
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