132 lines
3.6 KiB
C++
132 lines
3.6 KiB
C++
/*
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* File: main.cpp
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* Author: Tiberiu
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*
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* Created on August 31, 2011, 2:54 PM
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*/
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#include <cstdlib>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include "types.h"
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using namespace std;
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extern void CommandCreate (char** argv, int argc);
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extern void CommandSetFlags (char** argv, int argc);
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extern void CommandAddFile (char** argv, int argc);
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extern void CommandAddDirectory (char** argv, int argc);
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extern void CommandChangeDirectory (char** argv, int argc);
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extern void CommandClose ();
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void GetParams(char* buffer, char* params[], int &count)
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{
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bool inside_quotes = false;
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int len = strlen(buffer);
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count = 0;
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if (buffer[0] == '#')
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{
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count = 1; params[0] = ""; return;
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}
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if (!isspace(buffer[0])) params[count++] = buffer;
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else buffer[0] = 0;
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for (int i = 1; i < len && count < 16; i++)
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{
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if (buffer[i] == '"') {
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inside_quotes = (inside_quotes) ? false : true;
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if (inside_quotes && buffer[i-1] == 0) params[count++] = &buffer[i];
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++i;
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}
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if (inside_quotes) continue;
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// Comment
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if (buffer[i] == '#') {
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buffer[i] = 0;
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break;
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}
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if (!isspace(buffer[i]) && (buffer[i-1]==0))
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params[count++] = &buffer[i];
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else if (isspace(buffer[i])) buffer[i] = 0;
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}
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if (count == 0) {
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count = 1;
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params[0] = "";
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}
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}
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bool LineEmpty (char* s)
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{
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for (int i = 0; i < strlen(s); i++)
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if (!isspace(s[i])) return false;
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}
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void ExecuteScript (char* input)
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{
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char buffer[1024];
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char* argv[16]; int argc;
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// Try to open file
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FILE* in = fopen(input, "r");
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if (!in) { perror(input); return ; }
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// Read file line by line
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printf("Reading script file %s...\n", input);
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for (int line = 0; fgets(buffer, 1024, in); line++)
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{
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GetParams(buffer, argv, argc);
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try {
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if (strcmp(argv[0], "CREATE") == 0) CommandCreate(argv, argc);
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else if (strcmp(argv[0], "CLOSE") == 0) CommandClose();
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else if (strcmp(argv[0], "MKDIR") == 0) CommandAddDirectory(argv, argc);
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else if (strcmp(argv[0], "CD") == 0) CommandChangeDirectory(argv, argc);
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else if (strcmp(argv[0], "ADD") == 0) CommandAddFile(argv, argc);
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else if (strcmp(argv[0], "SETFLAGS") == 0) CommandSetFlags(argv, argc);
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else if (LineEmpty(argv[0])) continue;
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else {
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fprintf(stderr, "%i: Invalid command.\n", line);
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exit(1);
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}
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}
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catch (int exc) {
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// Exception handler
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switch (exc) {
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case ExcCannotOpenInput: fprintf(stderr, "%i: Cannot open input file.\n", line); break;
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case ExcCannotOpenOutput: fprintf(stderr, "%i: Cannot open output file.\n", line); break;
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case ExcInvalidCommand: fprintf(stderr, "%i: Invalid command.\n", line); break;
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case ExcInvalidPath: fprintf(stderr, "%i: Invalid path.\n", line); break;
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case ExcSyntaxError: fprintf(stderr, "%i: Syntax error, robably missing parameter.\n", line); break;
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}
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printf("An error occurred, execution has been terminated.\n");
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exit(1);
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}
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memset(buffer, 0, 1024 * sizeof(char));
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}
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fclose (in);
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}
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int main(int argc, char** argv) {
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if (argc < 2) {
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fprintf(stderr, "Missing parameter: script file.");
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return 1;
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}
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for (int i = 1; i < argc; i++)
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ExecuteScript (argv[i]);
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return 0;
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}
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