diff options
Diffstat (limited to 'src/lobject.js')
-rw-r--r-- | src/lobject.js | 51 |
1 files changed, 3 insertions, 48 deletions
diff --git a/src/lobject.js b/src/lobject.js index c2ec123..f02f8f3 100644 --- a/src/lobject.js +++ b/src/lobject.js @@ -117,7 +117,7 @@ class TValue { } jsstring(from, to) { - return jsstring(this.value, from, to); + return defs.to_jsstring(this.value, from, to); } } @@ -125,50 +125,6 @@ class TValue { const luaO_nilobject = new TValue(CT.LUA_TNIL, null); module.exports.luaO_nilobject = luaO_nilobject; -const jsstring = function(value, from, to) { - assert(Array.isArray(value), "jsstring expect a array of bytes"); - - let u0, u1, u2, u3, u4, u5; - let idx = 0; - value = value.slice(from ? from : 0, to); - - var str = ''; - while (1) { - // 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 - u0 = value[idx++]; - if (u0 === 0) { str += "\0"; continue; } // Lua string embed '\0' - if (!u0) return str; - if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; } - u1 = value[idx++] & 63; - if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; } - u2 = value[idx++] & 63; - if ((u0 & 0xF0) == 0xE0) { - u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; - } else { - u3 = value[idx++] & 63; - if ((u0 & 0xF8) == 0xF0) { - u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | u3; - } else { - u4 = value[idx++] & 63; - if ((u0 & 0xFC) == 0xF8) { - u0 = ((u0 & 3) << 24) | (u1 << 18) | (u2 << 12) | (u3 << 6) | u4; - } else { - u5 = value[idx++] & 63; - u0 = ((u0 & 1) << 30) | (u1 << 24) | (u2 << 18) | (u3 << 12) | (u4 << 6) | u5; - } - } - } - if (u0 < 0x10000) { - str += String.fromCharCode(u0); - } else { - var ch = u0 - 0x10000; - str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); - } - } - - return str; -}; - const table_keyValue = function(key) { // Those lua values are used by value, others by reference if (key instanceof TValue) { @@ -398,11 +354,11 @@ const lua_strx2number = function(s) { e += exp1; } if (neg) r = -r; - return jsstring(s).trim().search(/s/) < 0 ? ldexp(r, e) : null; /* Only valid if nothing left is s*/ + return defs.to_jsstring(s).trim().search(/s/) < 0 ? ldexp(r, e) : null; /* Only valid if nothing left is s*/ }; const l_str2dloc = function(s, mode) { - let flt = mode === 'x' ? lua_strx2number(s) : parseFloat(jsstring(s)); + let flt = mode === 'x' ? lua_strx2number(s) : parseFloat(defs.to_jsstring(s)); return !isNaN(flt) ? flt : null; /* OK if no trailing characters */ }; @@ -552,7 +508,6 @@ module.exports.TValue = TValue; module.exports.UTF8BUFFSZ = UTF8BUFFSZ; module.exports.frexp = frexp; module.exports.intarith = intarith; -module.exports.jsstring = jsstring; module.exports.ldexp = ldexp; module.exports.luaO_chunkid = luaO_chunkid; module.exports.luaO_hexavalue = luaO_hexavalue; |