annotate lib/stringthesizer.js @ 33:25aba6a34c44
Added missing related objects, fixed smaller bugs,
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bsw |
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Sat May 19 13:58:50 2012 +0200 (2012-05-19) |
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ce6f95d23e1c |
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line source |
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1 function stringthesizer(options, struct) {
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2 // options:
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3 // nextPlaceholder (function)
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4 // valueSeparator (string)
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5 // coerce (function)
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6 var cmdParts = [];
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7 var args = [];
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8 var process = function(struct, skipCoercion) {
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9 if (struct instanceof Array) {
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10 var structIdx = 0;
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11 var next = function() { return struct[structIdx++]; };
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12 next().match(/[^?$]+|\?\??\??|\$\$?\$?/g).forEach(function(stringPart) {
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13 if (stringPart == "?") {
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14 cmdParts.push(options.nextPlaceholder(args.length));
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15 args.push(next())
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16 } else if (stringPart == "??") {
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17 var first = true;
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18 next().forEach(function(entry) {
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19 if (first) first = false;
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20 else cmdParts.push(options.valueSeparator);
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21 cmdParts.push(options.nextPlaceholder(args.length));
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22 args.push(entry)
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23 });
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24 } else if (stringPart == "???") {
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25 cmdParts.push("?");
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26 } else if (stringPart == "$") {
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27 process(next());
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28 } else if (stringPart == "$$") {
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29 var sep = next();
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30 var first = true;
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31 next().forEach(function(entry) {
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32 if (first) first = false;
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33 else cmdParts.push(sep);
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34 process(entry);
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35 });
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36 } else if (stringPart == "$$$") {
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37 cmdParts.push("$");
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38 } else {
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39 cmdParts.push(stringPart);
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40 }
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41 });
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42 if (structIdx != struct.length) { throw "Wrong argument count for stringthesizer"; }
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43 } else if (skipCoercion || typeof (struct) == 'string') {
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44 cmdParts.push(struct);
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45 } else {
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46 process(options.coerce(struct), true);
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47 }
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48 }
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49 process(struct);
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50 return { cmd: cmdParts.join(""), args: args };
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51 }
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52
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53 exports.stringthesizer = stringthesizer; |