Usermode/ATE - Tweaking

[tpg/acess2.git] / Usermode / Applications / gui_ate_src / edit.c

diff --git a/Usermode/Applications/gui_ate_src/edit.c b/Usermode/Applications/gui_ate_src/edit.c
index 8e1f01e..554b7cc 100644 (file)
--- a/Usermode/Applications/gui_ate_src/edit.c
+++ b/Usermode/Applications/gui_ate_src/edit.c
@@ -8,14 +8,17 @@
 #include <stdio.h>
 #include "include/file.h"
 #include "include/syntax.h"
+#include <assert.h>
+
+static const int MAXLINE = 1024;
+static const int LINEALLOCSIZE = 64;
 
 // === CODE ===
 tFile *File_New(void)
 {
-       tFile *ret = malloc(sizeof(tFile) + 1);
-       ret->Handle = NULL;
+       tFile *ret = calloc(1, sizeof(tFile) + 1);
        ret->nLines = 0;
-       ret->Lines = NULL;
+       ret->FirstLine = NULL;
        ret->NameOfs = 0;
        ret->Path[0] = 0;
        return ret;
@@ -23,7 +26,41 @@ tFile *File_New(void)
 
 tFile *File_Load(const char *Path)
 {
-       return NULL;
+       FILE    *fp = fopen(Path, "r");
+       if( !fp ) {
+               return NULL;
+       }
+
+       // Create file structure
+       tFile   *ret = calloc(1, sizeof(tFile) + strlen(Path) + 1);
+       assert(ret);
+
+       const char *lastslash = strrchr(Path, '/');
+       ret->NameOfs = (lastslash ? lastslash - Path + 1 : 0);
+       strcpy(ret->Path, Path);
+
+       // Read in lines
+       int nLines = 0;
+       char    tmpbuf[MAXLINE];
+       tFileLine       *lastline = NULL;
+       while( fgets(tmpbuf, MAXLINE, fp) )
+       {
+               tFileLine       *new = malloc(sizeof(tFileLine));
+               assert(new);
+               new->Prev = lastline;
+               new->Next = NULL;
+               if(lastline)    lastline->Next = new;
+               new->Length = strlen(tmpbuf);
+               new->Space = (new->Length + LINEALLOCSIZE-1) & ~(LINEALLOCSIZE-1);
+               
+               new->Data = malloc(new->Space);
+               assert(new->Data);
+               memcpy(new->Data, tmpbuf, new->Length);
+               nLines ++;
+       }
+       ret->nLines = nLines;
+
+       return ret;
 }
 
 int File_Save(tFile *File)
@@ -35,11 +72,74 @@ int File_Save(tFile *File)
 
 int File_Close(tFile *File, int bDiscard)
 {
-       //if( file->bIsDirty && !bDiscard )
-       //      return 1;
+       if( file->bIsDirty && !bDiscard )
+               return 1;
        if( file->Handle )
                fclose(File->Handle);
+
+       while( file->FirstLine )
+       {
+               tFileLine       *next = file->FirstLine->Next;
+               // TODO: Highlighting free
+               free(file->FirstLine->Data);
+               free(file->FirstLine);
+               file->FirstLine = next;
+       }
+       
+       free(file);
        
        return 0;
 }
 
+int File_InsertBytes(tFile *File, void *Buffer, size_t Bytes)
+{
+       
+}
+
+int File_Delete(tFile *File, enum eFile_DeleteType Type)
+{
+}
+
+/**
+ * Amt = INT_MAX : End of file
+ * Amt = INT_MIN : Start of file
+ */
+int File_CursorDown(tFile *File, int Amount)
+{
+}
+
+/**
+ * |Amt| = 1 : Single character
+ * |Amt| = 2 : Word
+ * |Amt| = 3 : Start/End of line
+ */
+int File_CursorRight(tFile *File, int Amount)
+{
+}
+
+void *File_GetAbsLine(tFile *File, unsigned int LineNum)
+{
+       tFileLine       *line = File->FirstLine;
+       while( LineNum-- && line )
+               line = line->Next;
+       return line;
+}
+
+void *File_GetRelLine(tFile *File, unsigned int LinesBeforeCurrent)
+{
+       tFileLine       *line = File->CurrentLine;
+       while(LinesBeforeCurrent -- && line->Prev)
+               line = line->Prev;
+       return line;
+}
+
+void *File_GetRenderedData(tFile *File, void *Handle, size_t const char **StringPtr)
+{
+       if( !Handle )
+               return NULL;
+       tFileLine       *line = Handle;
+       if( StringPtr )
+               *StringPtr = (line->Rendered ? line->Rendered : line->Data);
+       return line->Next;
+}
+