1 files changed, 64 insertions, 0 deletions
diff --git a/share/qbs/modules/texttemplate/texttemplate.qbs b/share/qbs/modules/texttemplate/texttemplate.qbs
new file mode 100644
index 000000000..c72929660
--- /dev/null
+++ b/share/qbs/modules/texttemplate/texttemplate.qbs
@@ -0,0 +1,64 @@
+import qbs.TextFile
+
+Module {
+    property var dict: ({})
+    property string outputTag: "text"
+    property string outputFileName
+    FileTagger {
+        patterns: ["*.in"]
+        fileTags: ["texttemplate.input"]
+    }
+    Rule {
+        inputs: ["texttemplate.input"]
+        outputFileTags: [product.texttemplate.outputTag]
+        outputArtifacts: [
+            {
+                fileTags: [product.texttemplate.outputTag],
+                filePath: input.texttemplate.outputFileName || input.completeBaseName
+            }
+        ]
+        prepare: {
+            var cmd = new JavaScriptCommand();
+            cmd.silent = true;
+            cmd.sourceCode = function() {
+                try {
+                    var src = new TextFile(input.filePath, TextFile.ReadOnly);
+                    var dst = new TextFile(output.filePath, TextFile.WriteOnly);
+                    var rex = /\${(\$|\w+)}/g;
+                    var match;
+                    while (!src.atEof()) {
+                        rex.lastIndex = 0;
+                        var line = src.readLine();
+                        var matches = [];
+                        while (match = rex.exec(line))
+                            matches.push(match);
+                        for (var i = matches.length; --i >= 0;) {
+                            match = matches[i];
+                            var replacement;
+                            if (match[1] === "$") {
+                                replacement = "$";
+                            } else {
+                                replacement = input.texttemplate.dict[match[1]];
+                                if (typeof replacement === "undefined") {
+                                    throw new Error("Placeholder '" + match[1]
+                                                    + "' is not defined in textemplate.dict for '"
+                                                    + input.fileName + "'.");
+                                }
+                            }
+                            line = line.substr(0, match.index)
+                                    + replacement
+                                    + line.substr(match.index + match[0].length);
+                        }
+                        dst.writeLine(line);
+                    }
+                } finally {
+                    if (src)
+                        src.close();
+                    if (dst)
+                        dst.close();
+                }
+            };
+            return [cmd];
+        }
+    }
+}