425 lines
17 KiB
C
425 lines
17 KiB
C
#include "openFile.h"
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#include "config.h"
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#include "render.h"
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#include "cursorMovement.h"
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#include "lengths.h"
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#include <ncurses.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <locale.h>
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int openFile(char *Path)
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{
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char *path = malloc((sizeof(Path) / sizeof(char *)) + 1);
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char *message = malloc(1);
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message[0] = '\0';
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int showMessage = 0;
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strcpy(path, Path);
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ESCDELAY = 0;
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char *content = malloc(1);
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content[0] = '\0';
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if (strlen(path) != 0)
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{
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FILE *fptr = fopen(path, "r");
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if (fptr != NULL)
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{
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// Read the contents of the file into the content variable
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fseek(fptr, 0, SEEK_END);
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long fsize = ftell(fptr);
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fseek(fptr, 0, SEEK_SET);
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content = realloc(content, fsize + 1);
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fread(content, 1, fsize, fptr);
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content[fsize] = 0;
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fclose(fptr);
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}
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}
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else
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{
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char *myMessage = "New File";
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message = realloc(message, strlen(myMessage) + 1);
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strcpy(message, myMessage);
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showMessage = 1;
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}
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char *content_COPY = malloc(strlen(content) + 1);
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strcpy(content_COPY, content);
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// path = malloc(100);
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int mode = 0;
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char *command = malloc(1);
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command[0] = '\0';
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struct FileData fileData = {&path, &content, &command, &mode, &message, &showMessage, 0, 0, 0, 0, 0};
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setlocale(LC_ALL, "");
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initscr();
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cbreak();
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keypad(stdscr, TRUE);
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struct lineAndCharNum lineAndCharNum = getLineAndCharNum(content);
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fileData.numLines = lineAndCharNum.lineNum;
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fileData.numChars = lineAndCharNum.charNum;
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render(fileData);
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int across = 0;
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int choice;
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char *newContent;
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char *myMessage;
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int lineIndent;
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int running = 1;
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while (1)
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{
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choice = getch(); // Get user input
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int isPrintable = isprint(choice);
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if (isPrintable)
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showMessage = 0;
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// sprintf(path, "%s, %02X", path, choice);
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int stop = 0;
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if (mode != 2)
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{
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cursorMovement(choice, &fileData, &content, &across, &stop);
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}
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if (!stop)
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{
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switch (mode)
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{
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case 0:
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switch (choice)
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{
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case ':':
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mode = 2;
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break;
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case 'i':
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mode = 1;
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break;
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default:
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break;
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}
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break;
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case 1:
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switch (choice)
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{
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case 10:
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lineIndent = indent(content, fileData.cursor_y, fileData.cursor_x);
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newContent = malloc(strlen(content) + lineIndent+2);
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int cursorPos = cursorToCharPos(content, fileData.cursor_x, fileData.cursor_y);
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strncpy(newContent, content, cursorPos);
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newContent[cursorPos] = '\n';
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for (int i = 0; i < lineIndent; i++)
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newContent[cursorPos + i + 1] = ' ';
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strncpy(newContent + cursorPos + lineIndent + 1, content + cursorPos, strlen(content) - cursorPos);
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newContent[strlen(content) + lineIndent + 1] = '\0';
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free(content);
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content = newContent;
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fileData.cursor_y++;
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fileData.cursor_x = lineIndent;
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across = 0;
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break;
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case 27:
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mode = 0;
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break;
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case KEY_BACKSPACE:
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case 0x7F:
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if (strlen(content) > 0)
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{
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int toRemove = 1;
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int lineIndent = indent(content, fileData.cursor_y, fileData.cursor_x);
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if (lineIndent == fileData.cursor_x)
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{
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int inTab = lineIndent % tabSize;
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if (inTab == 0)
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{
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toRemove = tabSize;
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}
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else
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{
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toRemove = inTab;
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}
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}
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if (fileData.cursor_x < toRemove)
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toRemove = fileData.cursor_x;
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if (toRemove < 1)
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toRemove = 1;
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int cursorPos = cursorToCharPos(content, fileData.cursor_x, fileData.cursor_y);
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if (cursorPos == 0)
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{
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break;
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}
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int length = lineLength(content, fileData.cursor_y - toRemove);
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newContent = malloc(strlen(content)-toRemove + 1);
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strncpy(newContent, content, cursorPos - toRemove);
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strncpy(newContent + cursorPos - toRemove, content + cursorPos, strlen(content) - cursorPos);
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newContent[strlen(content) - toRemove] = '\0';
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free(content);
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content = newContent;
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fileData.cursor_x -= toRemove;
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if (fileData.cursor_x < 0 && fileData.cursor_y > 0)
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{
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fileData.cursor_y--;
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fileData.cursor_x = length;
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}
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across = fileData.cursor_x;
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}
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break;
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case 9:
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newContent = malloc(strlen(content) + tabSize+1);
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strncpy(newContent, content, cursorToCharPos(content, fileData.cursor_x, fileData.cursor_y));
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for (int i = 0; i < tabSize; i++)
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newContent[cursorToCharPos(content, fileData.cursor_x, fileData.cursor_y) + i] = ' ';
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strncpy(newContent + cursorToCharPos(content, fileData.cursor_x, fileData.cursor_y) + tabSize, content + cursorToCharPos(content, fileData.cursor_x, fileData.cursor_y), strlen(content) - cursorToCharPos(content, fileData.cursor_x, fileData.cursor_y));
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newContent[strlen(content) + tabSize] = '\0';
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free(content);
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content = newContent;
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fileData.cursor_x += tabSize;
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across = fileData.cursor_x;
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break;
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case 0x17:
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case KEY_DC:
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if (strlen(content) > 0)
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{
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int cursorPos = cursorToCharPos(content, fileData.cursor_x, fileData.cursor_y);
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if (cursorPos == (int)strlen(content))
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{
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break;
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}
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newContent = malloc(strlen(content));
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strncpy(newContent, content, cursorPos);
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strncpy(newContent + cursorPos, content + cursorPos + 1, strlen(content) - cursorPos);
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newContent[strlen(content) - 1] = '\0';
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free(content);
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content = newContent;
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across = fileData.cursor_x;
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}
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break;
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default:
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if (isPrintable)
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{
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int cursorPos = cursorToCharPos(content, fileData.cursor_x, fileData.cursor_y);
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newContent = malloc(strlen(content) + 2);
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strncpy(newContent, content, cursorPos);
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newContent[cursorPos] = choice;
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strncpy(newContent + cursorPos + 1, content + cursorPos, strlen(content) - cursorPos);
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newContent[strlen(content) + 1] = '\0';
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free(content);
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content = newContent;
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fileData.cursor_x++;
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across = fileData.cursor_x;
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}
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break;
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}
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break;
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case 2:
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switch (choice)
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{
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case 27:
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mode = 0;
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break;
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case KEY_BACKSPACE:
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case 0x7F:
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if (strlen(command) > 0)
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{
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char *newCommand = malloc(strlen(command));
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strncpy(newCommand, command, strlen(command) - 1);
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newCommand[strlen(command) - 1] = '\0';
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free(command);
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command = newCommand;
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}
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break;
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case '\n':
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switch (command[0])
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{
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case 'w':
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if (strlen(path) != 0)
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{
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FILE *fptr;
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fptr = fopen(path, "w");
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if (fptr != NULL)
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{
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fwrite(content, 1, strlen(content), fptr);
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fclose(fptr);
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content_COPY = realloc(content_COPY, strlen(content) + 1);
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strcpy(content_COPY, content);
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}
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}
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if (strlen(command) == 1 || command[1] != 'q')
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break;
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case 'q':
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if ((strlen(content) != 0 && strcmp(content, content_COPY) != 0) && (strlen(command) == 1 || command[1] != '!'))
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{
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char *myMessage = "No write since last change (add ! to override)";
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message = realloc(message, strlen(myMessage) + 1);
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strcpy(message, myMessage);
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showMessage = 1;
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break;
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}
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running = 0;
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break;
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case 's':
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if (strlen(command) > 2)
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{
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path = realloc(path, strlen(command) - 2);
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strncpy(path, command + 2, strlen(command) - 2);
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path[strlen(command) - 2] = '\0';
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FILE *fptr;
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fptr = fopen(path, "w");
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if (fptr != NULL)
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{
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fwrite(content, 1, strlen(content), fptr);
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fclose(fptr);
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content_COPY = realloc(content_COPY, strlen(content) + 1);
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strcpy(content_COPY, content);
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}
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}
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else
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{
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char *myMessage = "No path specified";
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message = realloc(message, strlen(myMessage) + 1);
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strcpy(message, myMessage);
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showMessage = 1;
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}
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break;
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case 'o':
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if (strlen(command) > 2)
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{
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char *newPath = malloc(strlen(command) - 2);
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strncpy(newPath, command + 2, strlen(command) - 2);
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newPath[strlen(command) - 2] = '\0';
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FILE *fptr;
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fptr = fopen(newPath, "r");
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if (fptr != NULL)
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{
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// Read the contents of the file into the content variable
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fseek(fptr, 0, SEEK_END);
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long fsize = ftell(fptr);
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fseek(fptr, 0, SEEK_SET);
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content = realloc(content, fsize + 1);
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fread(content, 1, fsize, fptr);
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content[fsize] = 0;
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fclose(fptr);
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free(path);
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path = newPath;
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}
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else
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{
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content = realloc(content, 1);
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content[0] = '\0';
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}
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fileData = (struct FileData){&path, &content, &command, &mode, &message, &showMessage, 0, 0, 0, 0, 0};
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}
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else
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{
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char *myMessage = "No path specified";
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message = realloc(message, strlen(myMessage) + 1);
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strcpy(message, myMessage);
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showMessage = 1;
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}
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break;
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case 'l':
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if (strlen(command) > 2)
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{
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char *line = malloc(strlen(command) - 2);
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strncpy(line, command + 2, strlen(command) - 2);
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line[strlen(command) - 2] = '\0';
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int lineNum = atoi(line);
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if (lineNum < 0)
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{
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if (fileData.numLines + lineNum < 0)
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{
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lineNum = 0;
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}
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else
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{
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lineNum = fileData.numLines + lineNum;
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}
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}
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int numLines = 0;
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int numChars = strlen(content);
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int i;
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for (i = 0; i < numChars; i++)
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{
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if (content[i] == '\n')
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{
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numLines++;
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if (numLines == lineNum)
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{
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break;
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}
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}
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}
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fileData.cursor_y = numLines;
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fileData.cursor_x = 0;
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}
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else
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{
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char *myMessage = "No line specified";
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message = realloc(message, strlen(myMessage) + 1);
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strcpy(message, myMessage);
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showMessage = 1;
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}
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break;
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default:
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myMessage = "Invalid command";
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message = realloc(message, strlen(myMessage) + 1);
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strcpy(message, myMessage);
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showMessage = 1;
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break;
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}
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command = realloc(command, 1);
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command[0] = '\0';
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mode = 0;
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break;
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default:
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if (isPrintable)
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{
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int length = strlen(command);
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char *newCommand = malloc(length + 2);
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strncpy(newCommand, command, length);
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newCommand[length] = choice;
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newCommand[length + 1] = '\0';
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free(command);
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command = newCommand;
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}
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break;
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}
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break;
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default:
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break;
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}
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}
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if (!running)
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{
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break;
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}
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if (fileData.cursor_y < fileData.scroll)
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{
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fileData.scroll = fileData.cursor_y;
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}
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if (fileData.cursor_y - (LINES - 4) >= fileData.scroll)
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{
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fileData.scroll = fileData.cursor_y - (LINES - 4) + 1;
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}
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lineAndCharNum = getLineAndCharNum(content);
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fileData.numLines = lineAndCharNum.lineNum;
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fileData.numChars = lineAndCharNum.charNum;
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render(fileData); // Re-render the menu
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}
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free(content);
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free(command);
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free(content_COPY);
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free(path);
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free(message);
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// Clean up and exit ncurses
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endwin();
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return 0;
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}
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