diff options
Diffstat (limited to 'includes/external/matrix/node_modules/sdp-transform/lib/writer.js')
-rw-r--r-- | includes/external/matrix/node_modules/sdp-transform/lib/writer.js | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/includes/external/matrix/node_modules/sdp-transform/lib/writer.js b/includes/external/matrix/node_modules/sdp-transform/lib/writer.js deleted file mode 100644 index decdf48..0000000 --- a/includes/external/matrix/node_modules/sdp-transform/lib/writer.js +++ /dev/null @@ -1,114 +0,0 @@ -var grammar = require('./grammar'); - -// customized util.format - discards excess arguments and can void middle ones -var formatRegExp = /%[sdv%]/g; -var format = function (formatStr) { - var i = 1; - var args = arguments; - var len = args.length; - return formatStr.replace(formatRegExp, function (x) { - if (i >= len) { - return x; // missing argument - } - var arg = args[i]; - i += 1; - switch (x) { - case '%%': - return '%'; - case '%s': - return String(arg); - case '%d': - return Number(arg); - case '%v': - return ''; - } - }); - // NB: we discard excess arguments - they are typically undefined from makeLine -}; - -var makeLine = function (type, obj, location) { - var str = obj.format instanceof Function ? - (obj.format(obj.push ? location : location[obj.name])) : - obj.format; - - var args = [type + '=' + str]; - if (obj.names) { - for (var i = 0; i < obj.names.length; i += 1) { - var n = obj.names[i]; - if (obj.name) { - args.push(location[obj.name][n]); - } - else { // for mLine and push attributes - args.push(location[obj.names[i]]); - } - } - } - else { - args.push(location[obj.name]); - } - return format.apply(null, args); -}; - -// RFC specified order -// TODO: extend this with all the rest -var defaultOuterOrder = [ - 'v', 'o', 's', 'i', - 'u', 'e', 'p', 'c', - 'b', 't', 'r', 'z', 'a' -]; -var defaultInnerOrder = ['i', 'c', 'b', 'a']; - - -module.exports = function (session, opts) { - opts = opts || {}; - // ensure certain properties exist - if (session.version == null) { - session.version = 0; // 'v=0' must be there (only defined version atm) - } - if (session.name == null) { - session.name = ' '; // 's= ' must be there if no meaningful name set - } - session.media.forEach(function (mLine) { - if (mLine.payloads == null) { - mLine.payloads = ''; - } - }); - - var outerOrder = opts.outerOrder || defaultOuterOrder; - var innerOrder = opts.innerOrder || defaultInnerOrder; - var sdp = []; - - // loop through outerOrder for matching properties on session - outerOrder.forEach(function (type) { - grammar[type].forEach(function (obj) { - if (obj.name in session && session[obj.name] != null) { - sdp.push(makeLine(type, obj, session)); - } - else if (obj.push in session && session[obj.push] != null) { - session[obj.push].forEach(function (el) { - sdp.push(makeLine(type, obj, el)); - }); - } - }); - }); - - // then for each media line, follow the innerOrder - session.media.forEach(function (mLine) { - sdp.push(makeLine('m', grammar.m[0], mLine)); - - innerOrder.forEach(function (type) { - grammar[type].forEach(function (obj) { - if (obj.name in mLine && mLine[obj.name] != null) { - sdp.push(makeLine(type, obj, mLine)); - } - else if (obj.push in mLine && mLine[obj.push] != null) { - mLine[obj.push].forEach(function (el) { - sdp.push(makeLine(type, obj, el)); - }); - } - }); - }); - }); - - return sdp.join('\r\n') + '\r\n'; -}; |