From f2e3055bcdec2312a7518e76be8adef85828c2af Mon Sep 17 00:00:00 2001
From: jorenchik <jorens.stekels@gmail.com>
Date: Sat, 7 Sep 2024 17:30:43 +0300
Subject: [PATCH] basic integration of qt app and compiler though the api
 module

---
 src/compiler/api/api.go     | 20 ++++++++++++++++++++
 src/compiler/compiler.go    | 22 +++++++---------------
 src/compiler/lexer/lexer.go | 26 ++++++++++++++++++--------
 src/mdemory-app-qt/go.mod   |  7 ++++++-
 src/mdemory-app-qt/main.go  | 34 +++++++++++++++++++++++++++-------
 5 files changed, 78 insertions(+), 31 deletions(-)
 create mode 100644 src/compiler/api/api.go

diff --git a/src/compiler/api/api.go b/src/compiler/api/api.go
new file mode 100644
index 0000000..21e9b7a
--- /dev/null
+++ b/src/compiler/api/api.go
@@ -0,0 +1,20 @@
+package api
+
+import (
+
+	"github.com/jorenchik/mdemory/src/compiler/lexer"
+	"github.com/jorenchik/mdemory/src/compiler/parser"
+)
+
+func Compile(fileContents string) ([]parser.Question, error) {
+	tokens, err := lexer.TokenizeMdem([]rune(fileContents))
+	if err != nil {
+		return nil, err
+	}
+    questions, err := parser.ParseQuestions(tokens)
+	if (err != nil) {
+        return nil, err
+	}
+    return questions, err
+}
+
diff --git a/src/compiler/compiler.go b/src/compiler/compiler.go
index ddee883..81a5faf 100644
--- a/src/compiler/compiler.go
+++ b/src/compiler/compiler.go
@@ -1,15 +1,13 @@
 package main
 
 import (
-    "fmt"
+	"fmt"
 	"os"
-	"github.com/jorenchik/mdemory/src/compiler/parser"
-	"github.com/jorenchik/mdemory/src/compiler/lexer"
+
+	"github.com/jorenchik/mdemory/src/compiler/api"
 )
 
 func main() {
-	fmt.Println("Compilation started...")
-
 	file, err := os.ReadFile(
 		"/home/jorenchik/Code/mdemory/src/compiler/input.mdem",
 	)
@@ -22,17 +20,11 @@ func main() {
 	}
 	fileContents := string(file)
 
-	tokens, err := lexer.TokenizeMdem([]rune(fileContents))
-	if err != nil {
+	fmt.Println("Compilation started...")
+    _, err = api.Compile(fileContents)
+    if err != nil {
         fmt.Println(err.Error())
-		return
-	}
-
-	_, err = parser.ParseQuestions(tokens)
-	if (err != nil) {
-		fmt.Println(err.Error())
         return
-	}
-
+    }
 	fmt.Println("Compilation completed")
 }
diff --git a/src/compiler/lexer/lexer.go b/src/compiler/lexer/lexer.go
index 51f4a1d..78163cc 100644
--- a/src/compiler/lexer/lexer.go
+++ b/src/compiler/lexer/lexer.go
@@ -1,4 +1,4 @@
-package lexer 
+package lexer
 
 import (
 	"fmt"
@@ -6,11 +6,11 @@ import (
 )
 
 var buffer         []rune
-var	row            int32  = 1
-var	column         int32  = 1
-var	previousRow    int32  = -1
-var	previousColumn int32  = -1
-var textStarted    bool   = false
+var	row              int32
+var	column           int32
+var	previousRow      int32
+var	previousColumn   int32
+var textStarted      bool
 
 type TokenType int
 const (
@@ -92,8 +92,18 @@ func makeTokenWithTokenBuffer(
 }
 
 func TokenizeMdem(fileRunes []rune) ( []Token, error ) {
-	tokens = []Token{} 
-	buffer = []rune{} 
+	tokens         = []Token{} 
+	buffer         = []rune{} 
+    row            = 1
+    column         = 1
+    previousRow    = -1
+    previousColumn = -1
+    textStarted    = false
+
+    if (len(strings.Trim(string(fileRunes), " \n\t")) <= 0) {
+        return []Token{}, nil
+    }
+
 
 	for i := 0; i < len(fileRunes); i++ {
 		c := fileRunes[i]
diff --git a/src/mdemory-app-qt/go.mod b/src/mdemory-app-qt/go.mod
index 46efec4..414c6a9 100644
--- a/src/mdemory-app-qt/go.mod
+++ b/src/mdemory-app-qt/go.mod
@@ -2,6 +2,11 @@ module github.com/jorenchik/mdemory/src/mdemory-app-qt
 
 go 1.23.0
 
-require github.com/therecipe/qt v0.0.0-20200904063919-c0c124a5770d
+require (
+	github.com/jorenchik/mdemory/src/compiler v0.0.0-00010101000000-000000000000
+	github.com/therecipe/qt v0.0.0-20200904063919-c0c124a5770d
+)
 
 require github.com/gopherjs/gopherjs v0.0.0-20190411002643-bd77b112433e // indirect
+
+replace github.com/jorenchik/mdemory/src/compiler => ../compiler
diff --git a/src/mdemory-app-qt/main.go b/src/mdemory-app-qt/main.go
index 8ed8e5e..c9da5b7 100644
--- a/src/mdemory-app-qt/main.go
+++ b/src/mdemory-app-qt/main.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 
+	"github.com/jorenchik/mdemory/src/compiler/api"
 	"github.com/therecipe/qt/core"
 	"github.com/therecipe/qt/widgets"
 )
@@ -36,13 +37,32 @@ func main() {
     mdemList.HideColumn(2)
     mdemList.HideColumn(3)
 	mdemList.ConnectDoubleClicked(func(index *core.QModelIndex) {
-		item := model.FilePath(index)
-		widgets.QMessageBox_Information(
-            nil,
-            "Item Clicked",
-            "You clicked: " + item, 
-            widgets.QMessageBox__Ok, widgets.QMessageBox__Ok,
-        )
+        if model.IsDir(index) {
+            return
+        }
+        filePath := model.FilePath(index)
+        fileContents, err := os.ReadFile(filePath)
+        if (err != nil) {
+            widgets.QMessageBox_Critical(
+                nil,
+                "Compilation error",
+                err.Error(),
+                widgets.QMessageBox__Ok,
+                widgets.QMessageBox__Ok,
+            )
+            return
+        }
+        _, err = api.Compile(string(fileContents))
+        if (err != nil) {
+            widgets.QMessageBox_Critical(
+                nil,
+                "Compilation error",
+                err.Error(),
+                widgets.QMessageBox__Ok,
+                widgets.QMessageBox__Ok,
+            )
+        }
+
 	})
 
 	deckLabel := widgets.NewQLabel2("Decks", nil, 0)