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/*
* themes.c: Color themes used by skins
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: themes.c 2.2 2012/02/17 13:57:32 kls Exp $
*/
#include "themes.h"
#include <dirent.h>
#include <string.h>
#include "config.h"
#include "tools.h"
// --- cTheme ----------------------------------------------------------------
cTheme::cTheme(void)
{
name = strdup("default");
memset(colorNames, 0, sizeof(colorNames));
memset(colorValues, 0, sizeof(colorValues));
descriptions[0] = strdup("Default");
}
cTheme::~cTheme()
{
free(name);
for (int i = 0; i < MaxThemeColors; i++)
free(colorNames[i]);
}
bool cTheme::FileNameOk(const char *FileName, bool SetName)
{
const char *error = NULL;
if (!isempty(FileName)) {
const char *d = strrchr(FileName, '/');
if (d)
FileName = d + 1;
const char *n = strchr(FileName, '-');
if (n) {
if (n > FileName) {
if (!strchr(++n, '-')) {
const char *e = strchr(n, '.');
if (e && strcmp(e, ".theme") == 0) {
if (e - n >= 1) {
// FileName is ok
if (SetName) {
free(name);
name = strndup(n, e - n);
}
}
else
error = "missing theme name";
}
else
error = "invalid extension";
}
else
error = "too many '-'";
}
else
error = "missing skin name";
}
else
error = "missing '-'";
}
else
error = "empty";
if (error)
esyslog("ERROR: invalid theme file name (%s): '%s'", error, FileName);
return !error;
}
const char *cTheme::Description(void)
{
char *s = descriptions[I18nCurrentLanguage()];
if (!s)
s = descriptions[0];
return s ? s : name;
}
bool cTheme::Load(const char *FileName, bool OnlyDescriptions)
{
if (!FileNameOk(FileName, true))
return false;
bool result = false;
if (!OnlyDescriptions)
isyslog("loading %s", FileName);
FILE *f = fopen(FileName, "r");
if (f) {
int line = 0;
result = true;
char *s;
const char *error = NULL;
cReadLine ReadLine;
while ((s = ReadLine.Read(f)) != NULL) {
line++;
char *p = strchr(s, '#');
if (p)
*p = 0;
s = stripspace(skipspace(s));
if (!isempty(s)) {
char *n = s;
char *v = strchr(s, '=');
if (v) {
*v++ = 0;
n = stripspace(skipspace(n));
v = stripspace(skipspace(v));
if (strstr(n, "Description") == n) {
int lang = 0;
char *l = strchr(n, '.');
if (l)
lang = I18nLanguageIndex(++l);
if (lang >= 0) {
free(descriptions[lang]);
descriptions[lang] = strdup(v);
}
else
error = "invalid language code";
}
else if (!OnlyDescriptions) {
for (int i = 0; i < MaxThemeColors; i++) {
if (colorNames[i]) {
if (strcmp(n, colorNames[i]) == 0) {
char *p = NULL;
errno = 0;
tColor c = strtoul(v, &p, 16);
if (!errno && !*p)
colorValues[i] = c;
else
error = "invalid color value";
break;
}
}
else {
error = "unknown color name";
break;
}
}
}
}
else
error = "missing value";
}
if (error) {
result = false;
break;
}
}
if (!result)
esyslog("ERROR: error in %s, line %d%s%s", FileName, line, error ? ": " : "", error ? error : "");
fclose(f);
}
else
LOG_ERROR_STR(FileName);
return result;
}
bool cTheme::Save(const char *FileName)
{
if (!FileNameOk(FileName))
return false;
bool result = true;
cSafeFile f(FileName);
if (f.Open()) {
for (int i = 0; i < I18nLanguages()->Size(); i++) {
if (descriptions[i])
fprintf(f, "Description%s%.*s = %s\n", i ? "." : "", 3, i ? I18nLanguageCode(i) : "", descriptions[i]);
}
for (int i = 0; i < MaxThemeColors; i++) {
if (colorNames[i])
fprintf(f, "%s = %08X\n", colorNames[i], colorValues[i]);
}
if (!f.Close())
result = false;
}
else
result = false;
return result;
}
int cTheme::AddColor(const char *Name, tColor Color)
{
for (int i = 0; i < MaxThemeColors; i++) {
if (colorNames[i]) {
if (strcmp(Name, colorNames[i]) == 0) {
colorValues[i] = Color;
return i;
}
}
else {
colorNames[i] = strdup(Name);
colorValues[i] = Color;
return i;
}
}
return -1;
}
tColor cTheme::Color(int Subject)
{
return (Subject >= 0 && Subject < MaxThemeColors) ? colorValues[Subject] : 0;
}
// --- cThemes ---------------------------------------------------------------
char *cThemes::themesDirectory = NULL;
cThemes::cThemes(void)
{
numThemes = 0;
names = 0;
fileNames = NULL;
descriptions = NULL;
}
cThemes::~cThemes()
{
Clear();
}
void cThemes::Clear(void)
{
for (int i = 0; i < numThemes; i++) {
free(names[i]);
free(fileNames[i]);
free(descriptions[i]);
}
free(names);
free(fileNames);
free(descriptions);
numThemes = 0;
names = 0;
fileNames = NULL;
descriptions = NULL;
}
bool cThemes::Load(const char *SkinName)
{
Clear();
if (themesDirectory) {
cReadDir d(themesDirectory);
struct dirent *e;
while ((e = d.Next()) != NULL) {
if (strstr(e->d_name, SkinName) == e->d_name && e->d_name[strlen(SkinName)] == '-') {
cString FileName = AddDirectory(themesDirectory, e->d_name);
cTheme Theme;
if (Theme.Load(*FileName, true)) {
if (char **NewBuffer = (char **)realloc(names, (numThemes + 1) * sizeof(char *))) {
names = NewBuffer;
names[numThemes] = strdup(Theme.Name());
}
else {
esyslog("ERROR: out of memory");
break;
}
if (char **NewBuffer = (char **)realloc(fileNames, (numThemes + 1) * sizeof(char *))) {
fileNames = NewBuffer;
fileNames[numThemes] = strdup(*FileName);
}
else {
esyslog("ERROR: out of memory");
break;
}
if (char **NewBuffer = (char **)realloc(descriptions, (numThemes + 1) * sizeof(char *))) {
descriptions = NewBuffer;
descriptions[numThemes] = strdup(Theme.Description());
}
else {
esyslog("ERROR: out of memory");
break;
}
numThemes++;
}
}
}
return numThemes > 0;
}
return false;
}
int cThemes::GetThemeIndex(const char *Description)
{
int index = 0;
for (int i = 0; i < numThemes; i++) {
if (strcmp(descriptions[i], Description) == 0)
return i;
if (strcmp(descriptions[i], "Default") == 0)
index = i;
}
return index;
}
void cThemes::SetThemesDirectory(const char *ThemesDirectory)
{
free(themesDirectory);
themesDirectory = strdup(ThemesDirectory);
MakeDirs(themesDirectory, true);
}
void cThemes::Load(const char *SkinName, const char *ThemeName, cTheme *Theme)
{
cString FileName = cString::sprintf("%s/%s-%s.theme", themesDirectory, SkinName, ThemeName);
if (access(FileName, F_OK) == 0) // the file exists
Theme->Load(FileName);
}
void cThemes::Save(const char *SkinName, cTheme *Theme)
{
cString FileName = cString::sprintf("%s/%s-%s.theme", themesDirectory, SkinName, Theme->Name());
if (access(FileName, F_OK) != 0) // the file does not exist
Theme->Save(FileName);
}