sails-js-parser/lib/util.js

Sails-IDL parser for TypeScript

const getText = (ptr, len, memory) => {
    const buf = new Uint8Array(memory.buffer.slice(ptr, ptr + len));
    return new TextDecoder().decode(buf);
};
const getBool = (ptr, offset, memory) => {
    const is_query_buf = new Uint8Array(memory.buffer.slice(ptr + offset, ptr + offset + 1));
    const is_query_dv = new DataView(is_query_buf.buffer, 0);
    return [is_query_dv.getUint8(0) === 1, 4];
};
const getStrPtrAndLen = (ptr, offset, memory) => {
    const str_ptr_buf = new Uint8Array(memory.buffer.slice(ptr + offset, ptr + offset + 4));
    const str_ptr_dv = new DataView(str_ptr_buf.buffer, 0);
    const str_ptr = str_ptr_dv.getUint32(0, true);
    offset += 4;
    const len_buf = new Uint8Array(memory.buffer.slice(ptr + offset, ptr + offset + 4));
    const len_dv = new DataView(len_buf.buffer, 0);
    const len = len_dv.getUint32(0, true);
    return [str_ptr, len];
};
const getName = (ptr, offset, memory) => {
    const [str_ptr, name_len] = getStrPtrAndLen(ptr, offset, memory);
    const str = getText(str_ptr, name_len, memory);
    return [str, 8];
};
const getDocs = (docsPtr, offset, memory) => {
    const [ptr, len] = getStrPtrAndLen(docsPtr, offset, memory);
    offset += 8;
    if (ptr === 0) {
        return [undefined, 8];
    }
    const docs = getText(ptr, len, memory);
    return [docs, 8];
};

export { getBool, getDocs, getName, getStrPtrAndLen, getText };