--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/config.cpp Wed May 08 15:19:06 2013 +0300
@@ -0,0 +1,276 @@
+/*
+ * LDForge: LDraw parts authoring CAD
+ * Copyright (C) 2013 Santeri Piippo
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <time.h>
+#include <QDir>
+#include "common.h"
+#include "str.h"
+#include "config.h"
+
+std::vector<config*> g_configPointers;
+
+// =============================================================================
+const char* g_WeekdayNames[7] = {
+ "Sunday",
+ "Monday",
+ "Tuesday",
+ "Wednesday",
+ "Thursday",
+ "Friday",
+ "Saturday",
+};
+
+// =============================================================================
+static const char* g_MonthNames[12] = {
+ "Januray",
+ "February",
+ "March",
+ "April",
+ "May",
+ "June",
+ "July",
+ "August",
+ "September",
+ "October",
+ "November"
+ "December",
+};
+
+static const char* g_ConfigTypeNames[] = {
+ "None",
+ "Integer",
+ "String",
+ "Float",
+ "Boolean",
+ "Key sequence",
+};
+
+// =============================================================================
+// Load the configuration from file
+bool config::load () {
+ printf ("config::load: loading configuration file.\n");
+
+ // Locale must be disabled for atof
+ setlocale (LC_NUMERIC, "C");
+
+ FILE* fp = fopen (filepath().chars(), "r");
+ char linedata[MAX_INI_LINE];
+ char* line;
+ size_t ln = 0;
+
+ if (!fp)
+ return false; // can't open for reading
+
+ // Read the values.
+ while (fgets (linedata, MAX_INI_LINE, fp)) {
+ ln++;
+ line = linedata;
+
+ while (*line != 0 && (*line <= 32 || *line >= 127))
+ line++; // Skip junk
+
+ if (*line == '\0' || line[0] == '#')
+ continue; // Empty line or comment.
+
+ // Find the equals sign.
+ char* equals = strchr (line, '=');
+ if (!equals) {
+ fprintf (stderr, "couldn't find `=` sign in entry `%s`\n", line);
+ continue;
+ }
+
+ str entry = str (line).substr (0, equals - line);
+
+ // Find the config entry for this.
+ config* cfg = null;
+ for (config* i : g_configPointers)
+ if (entry == i->name)
+ cfg = i;
+
+ if (!cfg) {
+ fprintf (stderr, "unknown config `%s`\n", entry.chars());
+ continue;
+ }
+
+ str valstring = str (line).substr (equals - line + 1, -1);
+
+ // Trim the crap off the end
+ while (~valstring) {
+ char c = valstring[~valstring - 1];
+ if (c <= 32 || c >= 127)
+ valstring -= 1;
+ else
+ break;
+ }
+
+ switch (cfg->getType()) {
+ case CONFIG_int:
+ static_cast<intconfig*> (cfg)->value = atoi (valstring.chars());
+ break;
+
+ case CONFIG_str:
+ static_cast<strconfig*> (cfg)->value = valstring;
+ break;
+
+ case CONFIG_float:
+ static_cast<floatconfig*> (cfg)->value = atof (valstring.chars());
+ break;
+
+ case CONFIG_bool:
+ {
+ bool& val = static_cast<boolconfig*> (cfg)->value;
+
+ if (+valstring == "TRUE" || valstring == "1")
+ val = true;
+ else if (+valstring == "FALSE" || valstring == "0")
+ val = false;
+ break;
+ }
+
+ case CONFIG_keyseq:
+ static_cast<keyseqconfig*> (cfg)->value = keyseq::fromString (valstring.chars ());
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ fclose (fp);
+ return true;
+}
+
+// =============================================================================
+// Write a given formatted string to the given file stream
+static size_t writef (FILE* fp, const char* fmt, ...) {
+ va_list va;
+
+ va_start (va, fmt);
+ char* buf = vdynformat (fmt, va, 256);
+ va_end (va);
+
+ size_t len = fwrite (buf, 1, strlen (buf), fp);
+ delete[] buf;
+
+ return len;
+}
+
+// =============================================================================
+// Save the configuration to disk
+bool config::save () {
+ // The function will write floats, disable the locale now so that they
+ // are written properly.
+ setlocale (LC_NUMERIC, "C");
+
+ // If the directory doesn't exist, create it now.
+ if (QDir (dirpath ()).exists () == nope) {
+ fprintf (stderr, "Creating config path %s...\n", dirpath().chars());
+ if (!QDir ().mkpath (dirpath().chars())) {
+ logf (LOG_Warning, "Failed to create the directory. Configuration cannot be saved!\n");
+ return false; // Couldn't create directory
+ }
+ }
+
+ FILE* fp = fopen (filepath().chars(), "w");
+ printf ("writing cfg to %s\n", filepath().chars());
+
+ if (!fp) {
+ printf ("Couldn't open %s for writing\n", filepath().chars());
+ return false;
+ }
+
+ const time_t curtime = time (NULL);
+ const struct tm* timeinfo = localtime (&curtime);
+ const char* daysuffix =
+ (timeinfo->tm_mday % 10 == 1) ? "st" :
+ (timeinfo->tm_mday % 10 == 2) ? "nd" :
+ (timeinfo->tm_mday % 10 == 3) ? "rd" : "th";
+
+ writef (fp, "# Configuration file for " APPNAME "\n");
+ writef (fp, "# Written on %s, %s %d%s %d %.2d:%.2d:%.2d\n",
+ g_WeekdayNames[timeinfo->tm_wday], g_MonthNames[timeinfo->tm_mon],
+ timeinfo->tm_mday, daysuffix, timeinfo->tm_year + 1900,
+ timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);
+
+ for (config* cfg : g_configPointers) {
+ str valstring;
+ switch (cfg->getType()) {
+ case CONFIG_int:
+ valstring.format ("%d", static_cast<intconfig*> (cfg)->value);
+ break;
+ case CONFIG_str:
+ valstring = static_cast<strconfig*> (cfg)->value;
+ break;
+ case CONFIG_float:
+ valstring.format ("%f", static_cast<floatconfig*> (cfg)->value);
+
+ // Trim any trailing zeros
+ if (valstring.first (".") != -1) {
+ while (valstring[~valstring - 1] == '0')
+ valstring -= 1;
+
+ // But don't trim the only one out...
+ if (valstring[~valstring - 1] == '.')
+ valstring += '0';
+ }
+
+ break;
+ case CONFIG_bool:
+ valstring = (static_cast<boolconfig*> (cfg)->value) ? "true" : "false";
+ break;
+ case CONFIG_keyseq:
+ valstring = static_cast<keyseqconfig*> (cfg)->value.toString ();
+ break;
+ default:
+ break;
+ }
+
+ const char* sDefault = (cfg->getType() != CONFIG_keyseq) ? cfg->defaultstring :
+ static_cast<keyseqconfig*> (cfg)->defval.toString ().toUtf8 ().constData ();
+
+ // Write the entry now.
+ writef (fp, "\n# [%s] default: %s\n", g_ConfigTypeNames[cfg->getType()], sDefault);
+ writef (fp, "%s=%s\n", cfg->name, valstring.chars());
+ }
+
+ fclose (fp);
+ return true;
+}
+
+// =============================================================================
+void config::reset () {
+ for (size_t i = 0; i < NUM_CONFIG; i++)
+ g_configPointers[i]->resetValue ();
+}
+
+// =============================================================================
+str config::filepath () {
+ str path;
+ path.format ("%s%s.cfg", dirpath ().chars (),
+ str (APPNAME).tolower ().chars ());
+ return path;
+}
+
+// =============================================================================
+str config::dirpath () {
+ return fmt ("%s/.%s/", qchars (QDir::homePath ()),
+ str (APPNAME).tolower ().chars ());
+}
\ No newline at end of file