mirror of https://gitlab.com/rnger/amath
187 lines
4.7 KiB
C++
187 lines
4.7 KiB
C++
/*
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* Copyright (c) 2015-2017 Carsten Sonne Larsen <cs@innolan.dk>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "clib.h"
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#include "lib/charbuf.h"
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#include "localize/text.h"
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#include "system/program.h"
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#include "system/filesystem.h"
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#include "system/filesystem_stdc.h"
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#ifndef AMIGA
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#include <stdio.h>
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#include <stdlib.h>
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CharBuffer* StandardFilesystem::ListDirectory(const char *path)
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{
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#if defined(UNIX) || defined(HAIKU)
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CharBuffer *pathbuf = new CharBuffer();
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pathbuf->Empty();
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if (path == NOMEM) {
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pathbuf->Append(".");
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} else {
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pathbuf->EnsureSize(StrLen(path) + 1);
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pathbuf->Append(path);
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}
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DIR *dir;
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if ((dir = opendir(pathbuf->GetString())) == NULL) {
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CharBuffer *res = new CharBuffer();
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const char *msg = MSGNODIR;
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res->EnsureSize(StrLen(msg) + StrLen(pathbuf->GetString()) + StrLen(NEWLINE) + 1);
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res->Empty();
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res->Append(msg);
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res->Append(pathbuf->GetString());
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res->Append(NEWLINE);
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delete pathbuf;
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return res;
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}
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CharBuffer *lines = new CharBuffer();
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lines->Empty();
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bool first = true;
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struct dirent *entry;
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while ((entry = readdir(dir)) != NULL) {
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if (StrIsEqual(entry->d_name, ".") || StrIsEqual(entry->d_name, "..")) {
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continue;
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}
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if (first) {
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const char *header = TXTLISTDIRHEADER;
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lines->EnsureSize(StrLen(header) + 1);
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lines->Empty();
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lines->Append(header);
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first = false;
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}
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const char *type;
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#ifdef HAIKU
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type = TXTLISTDIRTUNKNOWN;
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#else
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switch (entry->d_type) {
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case DT_REG:
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type = TXTLISTDIRTFILE;
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break;
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case DT_DIR:
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type = TXTLISTDIRTDIR;
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break;
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default:
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type = TXTLISTDIRTUNKNOWN;
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}
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#endif
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const unsigned short colsize = 12;
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unsigned int a = StrLen(type) > colsize ? colsize : StrLen(type);
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unsigned int b = colsize - a;
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lines->EnsureGrowth(colsize + StrLen(entry->d_name) + StrLen(NEWLINE) + 1);
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lines->Append(type);
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lines->Append(' ', b);
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lines->Append(entry->d_name);
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lines->Append(NEWLINE);
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}
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closedir(dir);
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delete pathbuf;
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return lines;
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#else
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CharBuffer *lines = new CharBuffer();
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lines->Empty();
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return lines;
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#endif
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}
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CharBuffer* StandardFilesystem::LoadTextFile(const char* name)
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{
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FILE *file;
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#if !defined(_WIN32)
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file = fopen(name, "r");
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#else
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fopen_s(&file, name, "r");
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#endif
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if (!file) {
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return NOMEM;
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}
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CharBuffer *text = new CharBuffer();
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text->Empty();
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int blocks = 0;
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bool eof = false;
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while (!eof) {
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blocks++;
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text->EnsureSize(blocksize, blocks);
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int count = 0;
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do
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{
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int c = fgetc(file);
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eof = c == EOF;
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if (!eof) {
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text->Append((char)c);
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count++;
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}
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} while (!eof && count < blocksize);
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}
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fclose(file);
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return text;
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}
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bool StandardFilesystem::SaveTextFile(const char *name, const char *text)
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{
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FILE *file;
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#if !defined(_WIN32)
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file = fopen(name, "w");
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#else
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fopen_s(&file, name, "w");
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#endif
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if (!file) {
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return false;
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}
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char *i = (char*)text;
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int r = EOF + 11;
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while (r != EOF && *i) {
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r = fputc(*i++, file);
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}
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fclose(file);
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return true;
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}
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#endif
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