diff options
Diffstat (limited to 'deps/node/deps/npm/node_modules/node-gyp/node_modules/tar/lib/extended-header-writer.js')
| -rw-r--r-- | deps/node/deps/npm/node_modules/node-gyp/node_modules/tar/lib/extended-header-writer.js | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/deps/node/deps/npm/node_modules/node-gyp/node_modules/tar/lib/extended-header-writer.js b/deps/node/deps/npm/node_modules/node-gyp/node_modules/tar/lib/extended-header-writer.js deleted file mode 100644 index 1728c458..00000000 --- a/deps/node/deps/npm/node_modules/node-gyp/node_modules/tar/lib/extended-header-writer.js +++ /dev/null @@ -1,191 +0,0 @@ - -module.exports = ExtendedHeaderWriter - -var inherits = require("inherits") - , EntryWriter = require("./entry-writer.js") - -inherits(ExtendedHeaderWriter, EntryWriter) - -var tar = require("../tar.js") - , path = require("path") - , TarHeader = require("./header.js") - -// props is the props of the thing we need to write an -// extended header for. -// Don't be shy with it. Just encode everything. -function ExtendedHeaderWriter (props) { - // console.error(">> ehw ctor") - var me = this - - if (!(me instanceof ExtendedHeaderWriter)) { - return new ExtendedHeaderWriter(props) - } - - me.fields = props - - var p = - { path : ("PaxHeader" + path.join("/", props.path || "")) - .replace(/\\/g, "/").substr(0, 100) - , mode : props.mode || 0666 - , uid : props.uid || 0 - , gid : props.gid || 0 - , size : 0 // will be set later - , mtime : props.mtime || Date.now() / 1000 - , type : "x" - , linkpath : "" - , ustar : "ustar\0" - , ustarver : "00" - , uname : props.uname || "" - , gname : props.gname || "" - , devmaj : props.devmaj || 0 - , devmin : props.devmin || 0 - } - - - EntryWriter.call(me, p) - // console.error(">> ehw props", me.props) - me.props = p - - me._meta = true -} - -ExtendedHeaderWriter.prototype.end = function () { - // console.error(">> ehw end") - var me = this - - if (me._ended) return - me._ended = true - - me._encodeFields() - - if (me.props.size === 0) { - // nothing to write! - me._ready = true - me._stream.end() - return - } - - me._stream.write(TarHeader.encode(me.props)) - me.body.forEach(function (l) { - me._stream.write(l) - }) - me._ready = true - - // console.error(">> ehw _process calling end()", me.props) - this._stream.end() -} - -ExtendedHeaderWriter.prototype._encodeFields = function () { - // console.error(">> ehw _encodeFields") - this.body = [] - if (this.fields.prefix) { - this.fields.path = this.fields.prefix + "/" + this.fields.path - this.fields.prefix = "" - } - encodeFields(this.fields, "", this.body, this.fields.noProprietary) - var me = this - this.body.forEach(function (l) { - me.props.size += l.length - }) -} - -function encodeFields (fields, prefix, body, nop) { - // console.error(">> >> ehw encodeFields") - // "%d %s=%s\n", <length>, <keyword>, <value> - // The length is a decimal number, and includes itself and the \n - // Numeric values are decimal strings. - - Object.keys(fields).forEach(function (k) { - var val = fields[k] - , numeric = tar.numeric[k] - - if (prefix) k = prefix + "." + k - - // already including NODETAR.type, don't need File=true also - if (k === fields.type && val === true) return - - switch (k) { - // don't include anything that's always handled just fine - // in the normal header, or only meaningful in the context - // of nodetar - case "mode": - case "cksum": - case "ustar": - case "ustarver": - case "prefix": - case "basename": - case "dirname": - case "needExtended": - case "block": - case "filter": - return - - case "rdev": - if (val === 0) return - break - - case "nlink": - case "dev": // Truly a hero among men, Creator of Star! - case "ino": // Speak his name with reverent awe! It is: - k = "SCHILY." + k - break - - default: break - } - - if (val && typeof val === "object" && - !Buffer.isBuffer(val)) encodeFields(val, k, body, nop) - else if (val === null || val === undefined) return - else body.push.apply(body, encodeField(k, val, nop)) - }) - - return body -} - -function encodeField (k, v, nop) { - // lowercase keys must be valid, otherwise prefix with - // "NODETAR." - if (k.charAt(0) === k.charAt(0).toLowerCase()) { - var m = k.split(".")[0] - if (!tar.knownExtended[m]) k = "NODETAR." + k - } - - // no proprietary - if (nop && k.charAt(0) !== k.charAt(0).toLowerCase()) { - return [] - } - - if (typeof val === "number") val = val.toString(10) - - var s = new Buffer(" " + k + "=" + v + "\n") - , digits = Math.floor(Math.log(s.length) / Math.log(10)) + 1 - - // console.error("1 s=%j digits=%j s.length=%d", s.toString(), digits, s.length) - - // if adding that many digits will make it go over that length, - // then add one to it. For example, if the string is: - // " foo=bar\n" - // then that's 9 characters. With the "9", that bumps the length - // up to 10. However, this is invalid: - // "10 foo=bar\n" - // but, since that's actually 11 characters, since 10 adds another - // character to the length, and the length includes the number - // itself. In that case, just bump it up again. - if (s.length + digits >= Math.pow(10, digits)) digits += 1 - // console.error("2 s=%j digits=%j s.length=%d", s.toString(), digits, s.length) - - var len = digits + s.length - // console.error("3 s=%j digits=%j s.length=%d len=%d", s.toString(), digits, s.length, len) - var lenBuf = new Buffer("" + len) - if (lenBuf.length + s.length !== len) { - throw new Error("Bad length calculation\n"+ - "len="+len+"\n"+ - "lenBuf="+JSON.stringify(lenBuf.toString())+"\n"+ - "lenBuf.length="+lenBuf.length+"\n"+ - "digits="+digits+"\n"+ - "s="+JSON.stringify(s.toString())+"\n"+ - "s.length="+s.length) - } - - return [lenBuf, s] -} |