From: Patrick <patrick.schoenberger@posteo.de>
Date: Sat, 5 Aug 2023 20:47:21 +0000 (+0200)
Subject: fix input and cursors
X-Git-Url: https://gitweb.ps.run/iftint/commitdiff_plain/4889cf922e51c34f714941498d25588ceb258e67?hp=40bbfb3371163c52e4c009020a5d1c99e387d2db

fix input and cursors
---

diff --git a/main2.c b/main2.c
index a3223ba..86cc7b7 100644
--- a/main2.c
+++ b/main2.c
@@ -78,16 +78,16 @@ void vt100CursorHome() { vt100Escape("[H"); }
 void vt100CursorPos(int v, int h) { vt100Escape("[%d;%dH", v, h); }
 void vt100SaveCursor() { vt100Escape("7"); }
 void vt100RestoreCursor() { vt100Escape("8"); }
-void vt100GetCursor(int * v, int * h) {
-    *v = *h = 0;
-    printf("\033[6n");
-    getch(); getch();
-    int c;
-    while ((c = getch()) != ';')
-	*v = (10*(*v)+(c-'0'));
-    while ((c = getch()) != 'R')
-	*h = (10*(*h)+(c-'0'));
-}
+// void vt100GetCursor(int * v, int * h) {
+//     *v = *h = 0;
+//     printf("\033[6n");
+//     getch(); getch();
+//     int c;
+//     while ((c = getch()) != ';')
+//         *v = (10*(*v)+(c-'0'));
+//     while ((c = getch()) != 'R')
+//         *h = (10*(*h)+(c-'0'));
+// }
 void vt100GetScreenSize(int * v, int * h) {
 #ifdef _WIN32
     CONSOLE_SCREEN_BUFFER_INFO csbi;
@@ -201,9 +201,6 @@ Indent(int indent) {
         printf("  ");
 }
 
-static int currV = 0;
-static int currH = 0;
-
 void
 JSONNodePrint(JSONNode * node, JSONNode * currNode) {
     if (node == NULL)
@@ -219,8 +216,8 @@ JSONNodePrint(JSONNode * node, JSONNode * currNode) {
         break;
     }
     case JSONNodeKind_Int: {
-        int i = (int)node->data;
-        printf("%d", i);
+        char * str = (char *)node->data;
+        printf("%s", (str == NULL || strlen(str) == 0) ? "0" : str);
         break;
     }
     case JSONNodeKind_Str: {
@@ -233,10 +230,11 @@ JSONNodePrint(JSONNode * node, JSONNode * currNode) {
         JSONNode * ptr = node->children;
         indent++;
         while (ptr != NULL) {
-            char * key = (char *)ptr->data;
+            JSONNode * key = ptr;
             JSONNode * value = ptr->next;
             Indent(indent);
-            printf("\"%s\": ", key);
+            JSONNodePrint(key, currNode);
+            printf(": ");
             JSONNodePrint(value, currNode);
             if (ptr->next != NULL)
                 ptr = ptr->next->next;
@@ -264,14 +262,7 @@ JSONNodePrint(JSONNode * node, JSONNode * currNode) {
     }
 
     if (currNode == node) {
-	int currOffsets[JSONNodeKind_COUNT];
-	currOffsets[JSONNodeKind_Nul] = 0;
-	currOffsets[JSONNodeKind_Int] = 0;
-	currOffsets[JSONNodeKind_Str] = 1;
-	currOffsets[JSONNodeKind_Obj] = 1;
-	currOffsets[JSONNodeKind_Arr] = 2;
-        vt100GetCursor(&currV, &currH);
-	currH -= currOffsets[node->kind];
+        vt100SaveCursor();
     }
 }
 
@@ -288,7 +279,7 @@ Draw(void) {
     
     if (g_DrawNode != NULL) {
         JSONNodePrint(g_DrawNode, g_CurrNode);
-	vt100CursorPos(currV, currH);
+        vt100RestoreCursor();
     }
 }
 
@@ -306,31 +297,13 @@ PeekChar() {
     return c;
 }
 
-void
-GetInt(JSONNode * node) {
-    char intStr[16] = "";
-    int intStrLen = 0;
-    
-    size_t * i = &node->data;
-    
-    int c;
-    while ((c = GetChar()), (c != '\r') && (c != '\n')) {
-        if ((c == 8 || c == 127) && intStrLen > 0) {
-            intStrLen--;
-            intStr[intStrLen] = '\0';
-            *i /= 10;
-        }
-        else if (intStrLen < 16 - 1 && (c >= '0' && c <= '9')) {
-            intStr[intStrLen++] = c;
-            intStr[intStrLen] = '\0';
-            *i *= 10;
-            *i += c - '0';
-        }
-    }
-}
+typedef bool(*CharPredicateFunc)(char, int);
+
+bool predStr(char c, int i) { return c >= 'a' && c <= 'z'; }
+bool predInt(char c, int i) { return c >= '0' && c <= '9'; }
 
 void
-GetStr(JSONNode * node) {
+GetStr(JSONNode * node, CharPredicateFunc charPredicate) {
     node->data = (size_t)NEWARR(char, 16);
     int strLen = 0;
 
@@ -342,9 +315,9 @@ GetStr(JSONNode * node) {
             strLen--;
             str[strLen] = '\0';
         }
-        else if (strLen < 16 - 1) {
+        else if (strLen < 16 - 1 && charPredicate(c, strLen)) {
             str[strLen] = c;
-	    strLen++;
+            strLen++;
             str[strLen] = '\0';
         }
     }
@@ -354,54 +327,55 @@ void
 GetNode(JSONNode * parent, JSONNode * node) {
     int c = GetChar();
 
-    JSONNode * result = node;
     g_CurrNode = node;
 
     if (parent == NULL)
-        g_DrawNode = result;
+        g_DrawNode = node;
 
-    if (parent != NULL && result != NULL)
-        JSONNodePush(parent, result);
+    if (parent != NULL && node != NULL)
+        JSONNodePush(parent, node);
 
     switch (c) {
     case 'i': {
-        result->kind = JSONNodeKind_Int;
-	GetInt(result);
+        node->kind = JSONNodeKind_Int;
+        GetStr(node, predInt);
         break;
     }
     case 's': {
-        result->kind = JSONNodeKind_Str;
-	GetStr(result);
+        node->kind = JSONNodeKind_Str;
+        GetStr(node, predStr);
         break;
     }
     case 'o': {
-        result->kind = JSONNodeKind_Obj;
+        node->kind = JSONNodeKind_Obj;
         while ((c = PeekChar()), (c != '\r') && (c != '\n')) {
-	    JSONNode * newNode;
-	    
-	    newNode = JSONNodeNewStr("");
-	    g_CurrNode = newNode;
-            JSONNodePush(result, newNode);
-	    GetStr(newNode);
-
-	    newNode = JSONNodeNewNul();
-            JSONNodePush(result, newNode);
-	    GetNode(result, newNode);
+            JSONNode * newNode;
+            
+            newNode = JSONNodeNewStr("");
+            g_CurrNode = newNode;
+            JSONNodePush(node, newNode);
+            GetStr(newNode, predStr);
+
+            newNode = JSONNodeNewNul();
+            JSONNodePush(node, newNode);
+            GetNode(node, newNode);
         }
-	g_CurrNode = result;
-        GetChar();
+	    g_CurrNode = node;
+        getch();
         break;
     }
     case 'a': {
-        result->kind = JSONNodeKind_Arr;
+        node->kind = JSONNodeKind_Arr;
         while ((c = PeekChar()), (c != '\r') && (c != '\n')) {
-	    JSONNode * newNode = JSONNodeNewNul();
-	    g_CurrNode = newNode;
-            JSONNodePush(result, newNode);
-	    GetNode(result, newNode);
+            JSONNode * newNode;
+            
+            newNode = JSONNodeNewNul();
+            //g_CurrNode = newNode;
+            JSONNodePush(node, newNode);
+            GetNode(node, newNode);
         }
-	g_CurrNode = result;
-        GetChar();
+	    g_CurrNode = node;
+        getch();
         break;
     }
     /*
@@ -413,8 +387,8 @@ GetNode(JSONNode * parent, JSONNode * node) {
         break;
     */
     case 't':
-        result->kind = JSONNodeKind_Int;
-        result->data = (size_t)GetChar();
+        node->kind = JSONNodeKind_Int;
+        node->data = (size_t)GetChar();
         break;
     }
 }