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grid-notation.js
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grid-notation.js
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// Generated by CoffeeScript 1.10.0
(function() {
var Command, GridNotation, Unit, error, find, lengthOf, trim,
bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
GridNotation = (function() {
function GridNotation(args) {
if (args == null) {
args = {};
}
this.stringifyParams = bind(this.stringifyParams, this);
this.stringifyCommands = bind(this.stringifyCommands, this);
this.parseVariable = bind(this.parseVariable, this);
this.parseParams = bind(this.parseParams, this);
this.parseGrid = bind(this.parseGrid, this);
this.isCommands = bind(this.isCommands, this);
this.validate = bind(this.validate, this);
this.objectify = bind(this.objectify, this);
this.test = bind(this.test, this);
this.stringify = bind(this.stringify, this);
this.clean = bind(this.clean, this);
this.unit = new Unit();
this.cmd = new Command();
}
GridNotation.prototype.parse = function(string, info) {
var adjust, adjustRemainder, command, explicit, explicitSum, fill, fillCollection, fillIterations, fillWidth, gn, grid, guideOrientation, guides, i, insertMarker, j, k, key, l, len, len1, len2, len3, len4, len5, len6, len7, len8, length, m, measuredWidth, newCommand, newCommands, o, offset, originalWidth, p, percentValue, percents, q, r, ref, ref1, ref10, ref11, ref12, ref13, ref14, ref15, ref16, ref17, ref18, ref19, ref2, ref20, ref21, ref22, ref23, ref24, ref25, ref26, ref27, ref3, ref4, ref5, ref6, ref7, ref8, ref9, remainderOffset, remainderPixels, s, stretchDivisions, t, tested, u, v, variable, wholePixels, wildcardArea, wildcardWidth, wildcards;
if (string == null) {
string = "";
}
if (info == null) {
info = {};
}
if (info.resolution) {
this.unit.resolution = info.resolution;
}
this.cmd.unit = this.unit;
guides = [];
tested = this.validate(this.objectify(string));
if (tested.errors.length > 0) {
return null;
}
gn = tested.obj;
ref = gn.variables;
for (key in ref) {
variable = ref[key];
gn.variables[key] = this.expandCommands(variable, {
variables: gn.variables
});
}
ref1 = gn.grids;
for (j = 0, len = ref1.length; j < len; j++) {
grid = ref1[j];
guideOrientation = grid.params.orientation;
wholePixels = grid.params.calculation === 'p';
fill = find(grid.commands, function(el) {
return el.isFill;
})[0] || null;
originalWidth = guideOrientation === 'h' ? info.height : info.width;
measuredWidth = guideOrientation === 'h' ? info.height : info.width;
if ((ref2 = grid.params.width) != null ? (ref3 = ref2.unit) != null ? ref3.base : void 0 : void 0) {
measuredWidth = grid.params.width.unit.base;
}
offset = guideOrientation === 'h' ? info.offsetY : info.offsetX;
stretchDivisions = 0;
adjustRemainder = 0;
wildcardArea = measuredWidth;
grid.commands = this.expandCommands(grid.commands, gn.variables);
wildcards = find(grid.commands, function(el) {
return el.isWildcard;
});
if ((ref4 = grid.params.width) != null ? (ref5 = ref4.unit) != null ? ref5.base : void 0 : void 0) {
adjustRemainder = originalWidth - ((ref6 = grid.params.width) != null ? ref6.unit.base : void 0);
}
percents = find(grid.commands, function(el) {
return el.isPercent;
});
ref7 = gn.variables;
for (k in ref7) {
v = ref7[k];
percents = percents.concat(find(v, function(el) {
return el.isPercent;
}));
}
for (l = 0, len1 = percents.length; l < len1; l++) {
command = percents[l];
percentValue = measuredWidth * (command.unit.value / 100);
if (wholePixels) {
percentValue = Math.floor(percentValue);
}
command.unit = this.unit.parse(percentValue + "px");
}
explicit = find(grid.commands, function(el) {
return el.isExplicit && !el.isFill;
});
explicitSum = 0;
for (m = 0, len2 = explicit.length; m < len2; m++) {
command = explicit[m];
explicitSum += command.unit.base;
}
wildcardArea -= explicitSum;
if (wildcardArea < 0) {
wildcardArea = 0;
}
if (fill) {
length = lengthOf(fill, gn.variables);
fillIterations = 0;
if (length > 0) {
fillIterations = Math.floor(wildcardArea / length);
}
fillCollection = [];
fillWidth = 0;
for (i = o = 1, ref8 = fillIterations; 1 <= ref8 ? o <= ref8 : o >= ref8; i = 1 <= ref8 ? ++o : --o) {
if (fill.isVariable) {
fillCollection = fillCollection.concat(gn.variables[fill.id]);
fillWidth += lengthOf(fill, gn.variables);
} else {
newCommand = this.cmd.parse(this.cmd.toSimpleString(fill));
fillCollection.push(newCommand);
fillWidth += newCommand.unit.base;
}
}
wildcardArea -= fillWidth;
newCommands = [];
ref9 = grid.commands;
for (i = p = 0, len3 = ref9.length; p < len3; i = ++p) {
command = ref9[i];
if (command.isFill) {
newCommands = newCommands.concat(fillCollection);
} else {
newCommands.push(command);
}
}
grid.commands = [].concat(newCommands);
}
explicit = find(grid.commands, function(el) {
return el.isExplicit && !el.isFill;
});
explicitSum = 0;
for (q = 0, len4 = explicit.length; q < len4; q++) {
command = explicit[q];
explicitSum += command.unit.base;
}
if (((ref10 = grid.params.width) != null ? (ref11 = ref10.unit) != null ? ref11.base : void 0 : void 0) == null) {
if (wildcards.length === 0) {
adjustRemainder = originalWidth - explicitSum;
}
wildcardArea -= ((ref12 = grid.params.firstOffset) != null ? (ref13 = ref12.unit) != null ? ref13.base : void 0 : void 0) || 0;
wildcardArea -= ((ref14 = grid.params.lastOffset) != null ? (ref15 = ref14.unit) != null ? ref15.base : void 0 : void 0) || 0;
}
if (adjustRemainder > 0) {
adjustRemainder -= ((ref16 = grid.params.firstOffset) != null ? (ref17 = ref16.unit) != null ? ref17.base : void 0 : void 0) || 0;
adjustRemainder -= ((ref18 = grid.params.lastOffset) != null ? (ref19 = ref18.unit) != null ? ref19.base : void 0 : void 0) || 0;
}
if ((ref20 = grid.params.firstOffset) != null ? ref20.isWildcard : void 0) {
stretchDivisions++;
}
if ((ref21 = grid.params.lastOffset) != null ? ref21.isWildcard : void 0) {
stretchDivisions++;
}
adjust = adjustRemainder / stretchDivisions;
if ((ref22 = grid.params.firstOffset) != null ? ref22.isWildcard : void 0) {
if (wholePixels) {
adjust = Math.ceil(adjust);
}
grid.params.firstOffset = this.cmd.parse(adjust + "px");
}
if ((ref23 = grid.params.lastOffset) != null ? ref23.isWildcard : void 0) {
if (wholePixels) {
adjust = Math.floor(adjust);
}
grid.params.lastOffset = this.cmd.parse(adjust + "px");
}
offset += ((ref24 = grid.params.firstOffset) != null ? ref24.unit.base : void 0) || 0;
if ((wildcardArea != null) && wildcards) {
wildcardWidth = wildcardArea / wildcards.length;
if (wholePixels) {
wildcardWidth = Math.floor(wildcardWidth);
remainderPixels = wildcardArea % wildcards.length;
}
for (r = 0, len5 = wildcards.length; r < len5; r++) {
command = wildcards[r];
command.isWildcard = false;
command.isExplicit = true;
command.isFill = true;
command.multiplier = 1;
command.isPercent = false;
command.unit = this.unit.parse(wildcardWidth + "px");
}
}
if (remainderPixels) {
remainderOffset = 0;
if (grid.params.remainder === 'c') {
remainderOffset = Math.floor((wildcards.length - remainderPixels) / 2);
}
if (grid.params.remainder === 'l') {
remainderOffset = wildcards.length - remainderPixels;
}
for (i = s = 0, len6 = wildcards.length; s < len6; i = ++s) {
command = wildcards[i];
if (i >= remainderOffset && i < remainderOffset + remainderPixels) {
command.unit = this.unit.parse((wildcardWidth + 1) + "px");
}
}
}
insertMarker = offset;
newCommands = [];
ref25 = grid.commands;
for (i = t = 0, len7 = ref25.length; t < len7; i = ++t) {
command = ref25[i];
if (!command.isGuide || (command.isGuide && !((ref26 = grid.commands[i - 1]) != null ? ref26.isGuide : void 0))) {
newCommands.push(command);
}
}
grid.commands = [].concat(newCommands);
ref27 = grid.commands;
for (u = 0, len8 = ref27.length; u < len8; u++) {
command = ref27[u];
if (command.isGuide) {
guides.push({
location: insertMarker,
orientation: guideOrientation
});
} else {
insertMarker += command.unit.base;
}
}
}
return guides;
};
GridNotation.prototype.clean = function(string) {
var gn, grid, j, key, len, line, ref, ref1, variable;
if (string == null) {
string = "";
}
gn = this.validate(this.objectify(string)).obj;
string = "";
ref = gn.variables;
for (key in ref) {
variable = ref[key];
string += key + " = " + (this.stringifyCommands(variable)) + "\n";
}
if (gn.variables.length > 0) {
string += "\n";
}
ref1 = gn.grids;
for (j = 0, len = ref1.length; j < len; j++) {
grid = ref1[j];
line = "";
line += this.stringifyCommands(grid.commands);
line += " " + (this.stringifyParams(grid.params));
string += (trim(line)) + "\n";
}
return trim(string.replace(/\n\n\n+/g, "\n"));
};
GridNotation.prototype.stringify = function(data) {
var column, firstMargString, gridString, gutter, lastMargString, left, optionsString, right, unit, varString;
data || (data = {});
data.count = parseInt(data.count);
data.width || (data.width = '');
data.gutter || (data.gutter = '');
data.firstMargin || (data.firstMargin = '');
data.lastMargin || (data.lastMargin = '');
data.columnMidpoint || (data.columnMidpoint = false);
data.gutterMidpoint || (data.gutterMidpoint = false);
data.orientation || (data.orientation = 'v');
data.position || (data.position = 'f');
data.remainder || (data.remainder = 'l');
data.calculation || (data.calculation = '');
firstMargString = '';
varString = '';
gridString = '';
lastMargString = '';
optionsString = '';
if (data.firstMargin) {
firstMargString = '|' + data.firstMargin.replace(/,|\s+/g, ' ').split(' ').join('|') + '|';
}
if (data.lastMargin) {
lastMargString = '|' + data.lastMargin.replace(/,|\s+/g, ' ').split(' ').reverse().join('|') + '|';
}
if (data.count || data.width) {
column = data.width ? data.width : '~';
if (data.columnMidpoint) {
left = right = '~';
if (data.width) {
unit = this.unit.parse(data.width);
left = "" + (data.calculation === 'p' && unit.type === 'px' ? Math.floor(unit.value / 2) : unit.value / 2) + unit.type;
right = "" + (data.calculation === 'p' && unit.type === 'px' ? Math.ceil(unit.value / 2) : unit.value / 2) + unit.type;
}
column = left + "|" + right;
}
varString += "$" + data.orientation + " = |" + column + "|\n";
if (data.gutter && data.count !== 1) {
gutter = data.gutter ? data.gutter : '~';
if (data.gutterMidpoint) {
left = right = '~';
if (data.gutter) {
unit = this.unit.parse(data.gutter);
left = "" + (data.calculation === 'p' && unit.type === 'px' ? Math.floor(unit.value / 2) : unit.value / 2) + unit.type;
right = "" + (data.calculation === 'p' && unit.type === 'px' ? Math.ceil(unit.value / 2) : unit.value / 2) + unit.type;
}
gutter = left + "|" + right;
}
varString = "$" + data.orientation + " = |" + column + "|" + gutter + "|\n";
varString += "$" + data.orientation + "C = |" + column + "|\n";
}
}
if (data.count || data.width) {
gridString += "|$" + data.orientation;
if (data.count !== 1) {
gridString += "*";
}
if (data.count > 1 && data.gutter) {
gridString += data.count - 1;
}
if (data.count > 1 && !data.gutter) {
gridString += data.count;
}
gridString += "|";
if (data.gutter && data.count !== 1) {
gridString += "|$" + data.orientation + (data.gutter ? 'C' : '') + "|";
}
}
if ((!data.count && !data.width) && data.firstMargin) {
gridString += "|";
}
if ((!data.count && !data.width) && (data.firstMargin || data.lastMargin)) {
gridString += "~";
}
if ((!data.count && !data.width) && data.lastMargin) {
gridString += "|";
}
if (data.firstMargin || data.lastMargin || data.count || data.width) {
optionsString += " ( ";
optionsString += data.orientation;
optionsString += data.remainder;
if (data.calculation === "p") {
optionsString += "p";
}
optionsString += ", ";
if (data.position === "l" || data.position === "c") {
optionsString += "~";
}
optionsString += "|";
if (data.position === "f" || data.position === "c") {
optionsString += "~";
}
optionsString += " )";
}
return this.pipeCleaner(("" + varString + firstMargString + gridString + lastMargString + optionsString).replace(/\|+/g, "|"));
};
GridNotation.prototype.test = function(string) {
return this.validate(this.objectify(string)).errors;
};
GridNotation.prototype.objectify = function(string) {
var grid, grids, j, len, line, lines, variable, variables;
if (string == null) {
string = "";
}
lines = string.split(/\n/g);
string = "";
variables = {};
grids = [];
for (j = 0, len = lines.length; j < len; j++) {
line = lines[j];
if (/^\$.*?\s?=.*$/i.test(line)) {
variable = this.parseVariable(line);
variables[variable.id] = variable.commands;
} else if (/^\s*#/i.test(line)) {
} else {
grid = this.parseGrid(line);
if (grid.commands.length > 0) {
grids.push(grid);
}
}
}
return {
variables: variables,
grids: grids
};
};
GridNotation.prototype.validate = function(obj) {
var command, commands, errors, fills, first, grid, id, j, key, l, last, len, len1, ref, ref1, ref2, varHasFill, varHasWildcard, variable, variablesWithWildcards, width;
variablesWithWildcards = {};
errors = [];
if (obj.grids.length <= 0) {
error(2, errors);
}
ref = obj.variables;
for (key in ref) {
commands = ref[key];
for (j = 0, len = commands.length; j < len; j++) {
command = commands[j];
if (command.errors.length > 0) {
error(command.errors, errors);
}
id = command.id;
if (id) {
variable = obj.variables[id];
}
if (id && !variable) {
error(6, errors, command);
}
if (command.isFill) {
error(5, errors, command);
}
if (command.isWildcard) {
variablesWithWildcards[key] = true;
}
}
}
ref1 = obj.grids;
for (key in ref1) {
grid = ref1[key];
fills = 0;
first = grid.params.firstOffset;
width = grid.params.width;
last = grid.params.lastOffset;
if (first && first.errors.length > 0) {
error(1, errors);
}
if (width && width.errors.length > 0) {
error(1, errors);
}
if (last && last.errors.length > 0) {
error(1, errors);
}
ref2 = grid.commands;
for (l = 0, len1 = ref2.length; l < len1; l++) {
command = ref2[l];
if (command.errors.length > 0) {
error(command.errors, errors);
}
id = command.id;
if (id) {
variable = obj.variables[id];
}
if (id && !variable) {
error(6, errors, command);
}
varHasWildcard = find(variable, function(el) {
return el.isWildcard;
}).length > 0;
if (command.isFill && varHasWildcard) {
error(3, errors, command);
}
if (command.isFill) {
fills++;
}
varHasFill = find(variable, function(el) {
return el.isFill;
}).length > 0;
if (id && variable && varHasFill) {
fills++;
}
if (fills > 1) {
error(4, errors, command);
}
if (id && variable && varHasFill) {
error(5, errors, command);
}
}
}
return {
errors: errors.sort(),
obj: obj
};
};
GridNotation.prototype.parseCommands = function(string) {
var commands, j, len, token, tokens;
if (string == null) {
string = "";
}
string = this.pipeCleaner(string);
commands = [];
if (string === "") {
return commands;
}
tokens = string.replace(/^\s+|\s+$/g, '').replace(/\s\s+/g, ' ').split(/\s/);
for (j = 0, len = tokens.length; j < len; j++) {
token = tokens[j];
commands.push(this.cmd.parse(token));
}
return commands;
};
GridNotation.prototype.expandCommands = function(commands, variables) {
var command, i, j, l, len, len1, loops, m, newCommands, ref, reparse, varWidths;
if (commands == null) {
commands = [];
}
if (variables == null) {
variables = {};
}
if (typeof commands === "string") {
commands = this.parseCommands(commands);
}
reparse = true;
varWidths = {};
while (reparse === true) {
reparse = false;
newCommands = [];
for (j = 0, len = commands.length; j < len; j++) {
command = commands[j];
if (command.isFill) {
newCommands.push(command);
} else {
loops = command.multiplier || 1;
for (i = l = 0, ref = loops; l < ref; i = l += 1) {
newCommands.push(this.cmd.parse(this.cmd.toSimpleString(command)));
}
}
}
commands = [].concat(newCommands);
newCommands = [];
for (i = m = 0, len1 = commands.length; m < len1; i = ++m) {
command = commands[i];
if (command.isVariable && variables && variables[command.id] && !command.isFill) {
reparse = true;
newCommands = newCommands.concat(variables[command.id]);
} else {
newCommands.push(command);
}
}
commands = [].concat(newCommands);
}
return commands;
};
GridNotation.prototype.isCommands = function(string) {
var commands;
if (string == null) {
string = "";
}
if (string === "") {
return false;
}
if (string.indexOf("|") >= 0) {
return true;
}
commands = this.parseCommands(string);
if (commands.length > 1) {
return true;
}
if (commands[0].errors.length === 0) {
return true;
}
return false;
};
GridNotation.prototype.parseGrid = function(string) {
var commands, params, regex;
if (string == null) {
string = "";
}
regex = /\((.*?)\)/i;
params = regex.exec(string) || [];
string = trim(string.replace(regex, ''));
commands = this.parseCommands(string);
return {
commands: commands,
wildcards: find(commands, function(el) {
return el.isWildcard;
}),
params: this.parseParams(params[1] || '')
};
};
GridNotation.prototype.parseParams = function(string) {
var bits, k, obj, ref, ref1, ref2, ref3, v;
if (string == null) {
string = "";
}
bits = string.replace(/[\s\(\)]/g, '').split(',');
obj = {
orientation: "h",
remainder: "l",
calculation: ""
};
if (bits.length > 1) {
ref = this.parseOptions(bits[0]);
for (k in ref) {
v = ref[k];
obj[k] = v;
}
ref1 = this.parseAdjustments(bits[1] || "");
for (k in ref1) {
v = ref1[k];
obj[k] = v;
}
return obj;
} else if (bits.length === 1) {
if (this.isCommands(bits[0])) {
ref2 = this.parseAdjustments(bits[0] || "");
for (k in ref2) {
v = ref2[k];
obj[k] = v;
}
} else {
ref3 = this.parseOptions(bits[0]);
for (k in ref3) {
v = ref3[k];
obj[k] = v;
}
}
}
return obj;
};
GridNotation.prototype.parseOptions = function(string) {
var j, len, obj, option, options;
if (string == null) {
string = "";
}
options = string.split('');
obj = {};
for (j = 0, len = options.length; j < len; j++) {
option = options[j];
switch (option.toLowerCase()) {
case "h":
case "v":
obj.orientation = option;
break;
case "f":
case "c":
case "l":
obj.remainder = option;
break;
case "p":
obj.calculation = option;
}
}
return obj;
};
GridNotation.prototype.parseAdjustments = function(string) {
var adj, bits, el, end, i, j, len, ref, ref1;
if (string == null) {
string = "";
}
adj = {
firstOffset: null,
width: null,
lastOffset: null
};
if (string === "") {
return adj;
}
bits = this.expandCommands(string.replace(/\s/, '')).splice(0, 5);
end = bits.length - 1;
if (bits.length > 1 && !bits[end].isGuide) {
adj.lastOffset = bits[end];
}
if (!bits[0].isGuide) {
adj.firstOffset = bits[0];
}
for (i = j = 0, len = bits.length; j < len; i = ++j) {
el = bits[i];
if (((ref = bits[i - 1]) != null ? ref.isGuide : void 0) && ((ref1 = bits[i + 1]) != null ? ref1.isGuide : void 0)) {
if (!el.isGuide) {
adj.width = el;
}
}
}
return adj;
};
GridNotation.prototype.parseVariable = function(string) {
var bits;
bits = /^\$([^=\s]+)?\s?=\s?(.*)$/i.exec(string);
if (bits[2] == null) {
return null;
}
return {
id: bits[1] ? "$" + bits[1] : "$",
commands: this.parseCommands(bits[2])
};
};
GridNotation.prototype.pipeCleaner = function(string) {
if (string == null) {
string = "";
}
return string.replace(/[^\S\n]*\|[^\S\n]*/g, '|').replace(/\|+/g, ' | ').replace(/^\s+|\s+$/gm, '');
};
GridNotation.prototype.stringifyCommands = function(commands) {
var command, j, len, string;
string = "";
for (j = 0, len = commands.length; j < len; j++) {
command = commands[j];
string += " " + this.cmd.stringify(command);
}
return this.pipeCleaner(string);
};
GridNotation.prototype.stringifyParams = function(params) {
var string;
string = "";
string += "" + (params.orientation || '');
string += "" + (params.remainder || '');
string += "" + (params.calculation || '');
if (params.firstOffset || params.width || params.lastOffset) {
if (string.length > 0) {
string += ", ";
}
}
if (params.firstOffset) {
string += this.cmd.stringify(params.firstOffset);
}
if (params.firstOffset || params.width) {
string += "|";
}
if (params.width) {
string += "" + (this.cmd.stringify(params.width));
}
if (params.lastOffset || params.width) {
string += "|";
}
if (params.lastOffset) {
string += this.cmd.stringify(params.lastOffset);
}
if (string) {
return "( " + (this.pipeCleaner(string)) + " )";
} else {
return '';
}
};
return GridNotation;
})();
Command = (function() {
Command.prototype.variableRegexp = /^\$([^\*]+)?(\*(\d+)?)?$/i;
Command.prototype.explicitRegexp = /^(([-0-9\.]+)?[a-z%]+[0-9\.]*)(\*(\d+)?)?$/i;
Command.prototype.pointPicaRegexp = /^[-0-9\.]+p[0-9\.]*$/;
Command.prototype.wildcardRegexp = /^~(\*(\d*))?$/i;
function Command(args) {
if (args == null) {
args = {};
}
this.isWildcard = bind(this.isWildcard, this);
this.isExplicit = bind(this.isExplicit, this);
this.isVariable = bind(this.isVariable, this);
this.unit = new Unit();
}
Command.prototype.isGuide = function(command) {
if (command == null) {
command = "";
}
if (typeof command === "string") {
return command.replace(/\s/g, '') === "|";
} else {
return command.isGuide || false;
}
};
Command.prototype.isVariable = function(command) {
if (command == null) {
command = "";
}
if (typeof command === "string") {
return this.variableRegexp.test(command.replace(/\s/g, ''));
} else {
return command.isVariable || false;
}
};
Command.prototype.isExplicit = function(command) {
if (command == null) {
command = "";
}
if (typeof command === "string") {
command = command.replace(/\s/g, '');
if (!this.explicitRegexp.test(command)) {
return false;
}
if (this.unit.parse(command) === null) {
return false;
}
return true;
} else {
return command.isExplicit || false;
}
};
Command.prototype.isWildcard = function(command) {
if (command == null) {
command = "";
}
if (typeof command === "string") {
return this.wildcardRegexp.test(command.replace(/\s/g, ''));
} else {
return command.isWildcard || false;
}
};
Command.prototype.isPercent = function(command) {
var unit;
if (command == null) {
command = "";
}
if (typeof command === "string") {
unit = this.unit.parse(command.replace(/\s/g, ''));
return (unit != null) && unit.type === '%';
} else {
return command.isPercent || false;
}
};
Command.prototype.isFill = function(string) {
var bits;
if (string == null) {
string = "";
}
if (this.isVariable(string)) {
bits = this.variableRegexp.exec(string);
return bits[2] && !bits[3] || false;
} else if (this.isExplicit(string)) {
bits = this.explicitRegexp.exec(string);
return bits[3] && !bits[4] || false;
} else if (this.isWildcard(string)) {
bits = this.wildcardRegexp.exec(string);
return bits[1] && !bits[2] || false;
} else {
return false;
}
};
Command.prototype.count = function(string) {
if (string == null) {
string = "";
}
string = string.replace(/\s/g, '');
if (this.isVariable(string)) {
return parseInt(this.variableRegexp.exec(string)[3]) || 1;
} else if (this.isExplicit(string)) {
return parseInt(this.explicitRegexp.exec(string)[4]) || 1;
} else if (this.isWildcard(string)) {
return parseInt(this.wildcardRegexp.exec(string)[2]) || 1;
} else {
return null;
}
};
Command.prototype.parse = function(string) {
var bits;
if (string == null) {
string = "";
}
string = string.replace(/\s/g, '');
if (this.isGuide(string)) {
return {
errors: [],
isGuide: true
};
} else if (this.isVariable(string)) {
bits = this.variableRegexp.exec(string);
return {
errors: [],
isVariable: true,
isFill: this.isFill(string),
id: bits[1] ? "$" + bits[1] : "$",
multiplier: this.count(string)
};
} else if (this.isExplicit(string)) {
return {
errors: [],
isExplicit: true,
isPercent: this.isPercent(string),
isFill: this.isFill(string),
unit: this.unit.parse(string),
multiplier: this.count(string)
};
} else if (this.isWildcard(string)) {
return {
errors: this.isFill(string) ? [3] : [],
isWildcard: true,
isFill: this.isFill(string),
multiplier: this.count(string)
};
} else {
return {
errors: [1],
string: string
};
}
};
Command.prototype.stringify = function(command) {
var string;
if (command == null) {
command = "";
}
if (typeof command === "string") {
return command;
}
string = "";
if (command.isGuide) {
string += "|";
} else if (command.isVariable) {
string += command.id;
} else if (command.isExplicit) {
string += this.unit.stringify(command.unit);
} else if (command.isWildcard) {
string += "~";
} else {
if (command.string === "") {
return "";
}
string += command.string;
}
if (command.isVariable || command.isExplicit || command.isWildcard) {
if (command.isFill || command.multiplier > 1) {
string += '*';
}
if (command.multiplier > 1) {
string += command.multiplier;
}
}
if (command.errors.length === 0) {
return string;
} else {
return "{" + string + " [" + (command.errors.join(',')) + "]}";
}
};
Command.prototype.toSimpleString = function(command) {
if (command == null) {
command = "";
}
if (typeof command === "string") {
return command.replace(/\*.*/gi, "");
}
return this.stringify(command).replace(/[\{\}]|\*.*|\[\d*\]/gi, "");
};
return Command;
})();
Unit = (function() {
Unit.prototype.resolution = 72;
function Unit(args) {
if (args == null) {
args = {};
}
this.stringify = bind(this.stringify, this);
this.parse = bind(this.parse, this);
}
Unit.prototype.parse = function(string) {
var bits, value, zeroAdjustedValue;
if (string == null) {
string = "";
}
string = string.replace(/\s/g, '');
bits = string.match(/[-0-9\.]+p[0-9\.]*(?![a-z])/i);
if (bits) {
bits = this.normalizePoints(bits[0]);
}
if (!bits) {
bits = string.match(/([-0-9\.]+)([a-z%]+)?/i);
}
if (!string || string === "" || (bits == null)) {
return null;
}
if (bits[2] && !this.preferredName(bits[2])) {
return null;
}
if (bits[1] && !bits[2]) {
zeroAdjustedValue = bits[1].replace(/^\./, '0.');
value = parseFloat(bits[1]);
if (value.toString() === zeroAdjustedValue) {
return value;
} else {
return null;
}
}
return {
string: string,
value: parseFloat(bits[1]),
type: this.preferredName(bits[2]),
base: this.asBaseUnit({
value: parseFloat(bits[1]),
type: this.preferredName(bits[2])