add test for running gbuildtoide on non-build modules

- do concat for json in C++, everything else seems fragile on Windows
- have APPEND vars separately
- check that gbuildtoide work on modules without a full build (modulo
some blacklisted "creative" ones)

Change-Id: I6fe267fee7d1b77d758072303729387dfeb8e6c8
Reviewed-on: https://gerrit.libreoffice.org/30293
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Björn Michaelsen <bjoern.michaelsen@canonical.com>

1 files changed, 104 insertions, 0 deletions

diff --git a/solenv/gbuildtojson/gbuildtojson.cxx b/solenv/gbuildtojson/gbuildtojson.cxx
new file mode 100644
index 000000000000..12d7163f9927
--- /dev/null
+++ b/solenv/gbuildtojson/gbuildtojson.cxx
@@ -0,0 +1,104 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+* This file is part of the LibreOffice project.
+*
+* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this
+* file, You can obtain one at http://mozilla.org/MPL/2.0/.
+*/
+
+#include <algorithm>
+#include <fstream>
+#include <iostream>
+#include <list>
+#include <map>
+#include <sstream>
+#include <string>
+#include <stdio.h>
+
+using namespace std;
+static const list<string> validargs = {
+    "linktarget",
+    "ilibtarget",
+    "cxxobjects",
+    "yaccobjects",
+    "objcobjects",
+    "objcxxobjects",
+    "asmobjects",
+    "gencobjects",
+    "gencxxobjects",
+    "cflags",
+    "cflagsappend",
+    "cxxflags",
+    "cxxflagsappend",
+    "objcflags",
+    "objcflagsappend",
+    "objcxxflags",
+    "objcxxflagsappend",
+    "defs",
+    "include",
+    "linked_libs",
+    "linked_static_libs"
+};
+
+int main(int argc, char** argv)
+{
+    const string optsintro("--");
+    map<string, string> vartofile;
+    for(int i=1; i < argc; ++i)
+    {
+        const string arg(argv[i]);
+        if(arg.substr(0,2) != optsintro)
+        {
+            cerr << "Only option args starting with -- allowed." << endl;
+            return 1;
+        }
+        const size_t eqpos = arg.find("=", 2);
+        if(eqpos == string::npos)
+        {
+            cerr << "Only option args assigning with = allowed." << endl;
+            return 2;
+        }
+        const string argname(arg.substr(2, eqpos-2));
+        if(find(validargs.begin(), validargs.end(), argname) == validargs.end())
+        {
+            cerr << "Option" << argname << "invalid." << endl;
+            return 3;
+        }
+        vartofile[argname] = arg.substr(eqpos+1, string::npos);
+    }
+    cout << "{";
+    bool first(true);
+    for(auto& varandfile : vartofile)
+    {
+        if(first)
+            first =false;
+        else
+            cout << ", ";
+        string varupper(varandfile.first);
+        for(auto& c : varupper)
+            if(c != '_')
+                c = c-32;
+        ifstream filestream(varandfile.second.c_str());
+        stringstream contents;
+        contents << filestream.rdbuf();
+        filestream.close();
+        remove(varandfile.second.c_str());
+        string escapedcontents;
+        for(auto& c : contents.str())
+        {
+            if(c=='\\')
+                escapedcontents += "\\\\";
+            else if(c=='"')
+                escapedcontents += "\\\"";
+            else if(c=='\n')
+                continue;
+            else
+                escapedcontents += c;
+        }
+        cout << "\"" << varupper << "\": \"" << escapedcontents << "\"";
+    }
+    cout << "}" << endl;
+    return 0;
+}
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */