Gerber and SVG export working

src/main.cpp

@@ -0,0 +1,105 @@
+
+#include <cstdlib>
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <argagg.hpp>
+#include <gerbolyze.hpp>
+
+using argagg::parser_results;
+using argagg::parser;
+using namespace std;
+using namespace gerbolyze;
+
+int main(int argc, char **argv) {
+    parser argparser {{
+            {"help", {"-h", "--help"},
+                "Print help and exit",
+                0},
+            {"version", {"-v", "--version"},
+                "Print version and exit",
+                0},
+            {"ofmt", {"-o", "--output-format"},
+                "Output format. Supported: gerber, svg, s-exp (KiCAD S-Expression)",
+                1},
+            {"flatten", {"-f", "--flatten"},
+                "Flatten output so it only consists of non-overlapping white polygons. This perform composition at the vector level. Potentially slow.",
+                0},
+    }};
+
+
+    ostringstream usage;
+    usage
+        << argv[0] << " " << lib_version << endl
+        << endl
+        << "Usage: " << argv[0] << " [options]... [input_file] [output_file]" << endl
+        << endl
+        << "Specify \"-\" for stdin/stdout." << endl
+        << endl;
+
+    argagg::parser_results args;
+    try {
+        args = argparser.parse(argc, argv);
+    } catch (const std::exception& e) {
+        argagg::fmt_ostream fmt(cerr);
+        fmt << usage.str() << argparser << '\n'
+            << "Encountered exception while parsing arguments: " << e.what()
+            << '\n';
+        return EXIT_FAILURE;
+    }
+
+    if (args["help"]) {
+        argagg::fmt_ostream fmt(cerr);
+        fmt << usage.str() << argparser;
+        return EXIT_SUCCESS;
+    }
+
+    if (args["version"]) {
+        cerr << lib_version << endl;
+        return EXIT_SUCCESS;
+    }
+
+    string in_f_name;
+    istream *in_f = &cin;
+    ifstream in_f_file;
+    string out_f_name;
+    ostream *out_f = &cout;
+    ofstream out_f_file;
+
+    if (args.pos.size() >= 1) {
+        in_f_name = args.pos[0];
+
+        if (args.pos.size() >= 2) {
+            out_f_name = args.pos[1];
+        }
+    }
+
+    if (!in_f_name.empty() && in_f_name != "-") {
+        in_f_file.open(in_f_name);
+        if (!in_f_file) {
+            cerr << "Cannot open input file \"" << in_f_name << "\"" << endl;
+            return EXIT_FAILURE;
+        }
+        in_f = &in_f_file;
+    }
+
+    if (!out_f_name.empty() && out_f_name != "-") {
+        out_f_file.open(out_f_name);
+        if (!out_f_file) {
+            cerr << "Cannot open output file \"" << out_f_name << "\"" << endl;
+            return EXIT_FAILURE;
+        }
+        out_f = &out_f_file;
+    }
+
+
+    SVGDocument doc;
+    if (!doc.load(*in_f)) {
+        cerr <<  "Error loading input file \"" << in_f_name << "\", exiting." << endl;
+        return EXIT_FAILURE;
+    }
+
+    SimpleGerberOutput out(*out_f);
+    doc.render(out);
+    return EXIT_SUCCESS;
+}