diff options
| -rw-r--r-- | src/defs.js | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/src/defs.js b/src/defs.js index 4ea8ad7..ba1bd28 100644 --- a/src/defs.js +++ b/src/defs.js @@ -180,7 +180,7 @@ const to_jsstring = function(value, from, to) { const to_luastring_cache = {}; -const to_luastring = function(str, cache, maxBytesToWrite) { +const to_luastring = function(str, cache) { assert(typeof str === "string", "to_luastring expect a js string"); if (cache) { @@ -188,46 +188,34 @@ const to_luastring = function(str, cache, maxBytesToWrite) { if (Array.isArray(cached)) return cached; } - maxBytesToWrite = maxBytesToWrite !== undefined ? maxBytesToWrite : llimit.MAX_INT; let outU8Array = []; - - if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes. - return 0; - let outIdx = 0; - let endIdx = maxBytesToWrite - 1; // -1 for string null terminator. for (let i = 0; i < str.length; ++i) { // See http://unicode.org/faq/utf_bom.html#utf16-3 // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629 let u = str.codePointAt(i); if (u >= 0xD800) i++; // If it was a surrogate pair it used up two bytes if (u <= 0x7F) { - if (outIdx >= endIdx) break; outU8Array[outIdx++] = u; } else if (u <= 0x7FF) { - if (outIdx + 1 >= endIdx) break; outU8Array[outIdx++] = 0xC0 | (u >> 6); outU8Array[outIdx++] = 0x80 | (u & 63); } else if (u <= 0xFFFF) { - if (outIdx + 2 >= endIdx) break; outU8Array[outIdx++] = 0xE0 | (u >> 12); outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63); outU8Array[outIdx++] = 0x80 | (u & 63); } else if (u <= 0x1FFFFF) { - if (outIdx + 3 >= endIdx) break; outU8Array[outIdx++] = 0xF0 | (u >> 18); outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63); outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63); outU8Array[outIdx++] = 0x80 | (u & 63); } else if (u <= 0x3FFFFFF) { - if (outIdx + 4 >= endIdx) break; outU8Array[outIdx++] = 0xF8 | (u >> 24); outU8Array[outIdx++] = 0x80 | ((u >> 18) & 63); outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63); outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63); outU8Array[outIdx++] = 0x80 | (u & 63); } else { - if (outIdx + 5 >= endIdx) break; outU8Array[outIdx++] = 0xFC | (u >> 30); outU8Array[outIdx++] = 0x80 | ((u >> 24) & 63); outU8Array[outIdx++] = 0x80 | ((u >> 18) & 63); |