Add a function to parse CSV files to multidimensional arrays.

binding/binding-mri.cpp

@@ -41,6 +41,7 @@
 #include "eventthread.h"
 
 #include <vector>
+#include "util/rapidcsv.h"
 
 extern "C" {
 #include <ruby.h>
@@ -152,6 +153,8 @@ RB_METHOD(mkxpStringToUTF8Bang);
 VALUE json2rb(json5pp::value const &v);
 json5pp::value rb2json(VALUE v);
 
+RB_METHOD(mkxpParseCSV);
+
 static void mriBindingInit() {
     tableBindingInit();
     etcBindingInit();
@@ -249,6 +252,8 @@ static void mriBindingInit() {
     
     _rb_define_module_function(mod, "default_font_family=", mkxpSetDefaultFontFamily);
     
+    _rb_define_module_function(mod, "parse_csv", mkxpParseCSV);
+    
     _rb_define_method(rb_cString, "to_utf8", mkxpStringToUTF8);
     _rb_define_method(rb_cString, "to_utf8!", mkxpStringToUTF8Bang);
     
@@ -688,6 +693,32 @@ RB_METHOD_GUARD(mkxpLaunch) {
 }
 RB_METHOD_GUARD_END
 
+RB_METHOD(mkxpParseCSV) {
+    RB_UNUSED_PARAM;
+    
+    VALUE str;
+    rb_scan_args(argc, argv, "1", &str);
+    SafeStringValue(str);
+    
+    VALUE ret = rb_ary_new();
+    std::stringstream stream(RSTRING_PTR(str));
+    try {
+        rapidcsv::Document doc(stream);
+        for (int r = 0; r < doc.GetRowCount(); r++) {
+            VALUE col = rb_ary_new();
+            for (int c = 0; c < doc.GetColumnCount(); c++) {
+                std::string str = doc.GetCell<std::string>(c, r);
+                rb_ary_push(col, rb_utf8_str_new(str.c_str(), str.length()));
+            }
+            rb_ary_push(ret, col);
+        }
+    } catch (std::exception &e) {
+        raiseRbExc(Exception(Exception::MKXPError, "Failed to parse CSV: %s", e.what()));
+    }
+    
+    return ret;
+}
+
 json5pp::value loadUserSettings() {
     json5pp::value ret;
     VALUE cpath = rb_utf8_str_new_cstr(shState->config().userConfPath.c_str());

macos/mkxp-z.xcodeproj/project.pbxproj

@@ -1141,6 +1141,7 @@
 		96573E7A27913B46002C3E77 /* TouchBar.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; name = TouchBar.mm; path = views/TouchBar.mm; sourceTree = "<group>"; };
 		96573E7B27913B46002C3E77 /* TouchBar.h */ = {isa = PBXFileReference; explicitFileType = sourcecode.c.h; name = TouchBar.h; path = views/TouchBar.h; sourceTree = "<group>"; };
 		96573E80279152DC002C3E77 /* TouchBar.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; name = TouchBar.xcassets; path = views/TouchBar.xcassets; sourceTree = "<group>"; };
+		968CB90E288E46F4008BC75D /* rapidcsv.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = rapidcsv.h; sourceTree = "<group>"; };
 		96D8EDD028728DCA00A331EA /* gamecontrollerdb.txt */ = {isa = PBXFileReference; lastKnownFileType = text; name = gamecontrollerdb.txt; path = ../assets/gamecontrollerdb.txt; sourceTree = "<group>"; };
 		A8AA4AE49BB66C97EFAE3055 /* libbrotlicommon-static.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = "libbrotlicommon-static.a"; path = "Dependencies/build-macosx-universal/lib/libbrotlicommon-static.a"; sourceTree = "<group>"; };
 		CBEA4C45BE737EE0FF5A8A4C /* bicubic.frag */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.glsl; name = bicubic.frag; path = ../shader/bicubic.frag; sourceTree = "<group>"; };
@@ -1457,6 +1458,7 @@
 				3B012198261544A0001E574A /* string-util.h */,
 				3B10ED402568E95D00372D13 /* util.h */,
 				3B10EE1F2569348E00372D13 /* json5pp.hpp */,
+				968CB90E288E46F4008BC75D /* rapidcsv.h */,
 			);
 			path = util;
 			sourceTree = "<group>";