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#include "colormanager.h"
#include "config.h"
#include "confighandlerexception.h"
#include "configparser.h"
#include "feedlistformaction.h"
#include "filebrowserformaction.h"
#include "helpformaction.h"
#include "itemlistformaction.h"
#include "itemviewformaction.h"
#include "logger.h"
#include "matcherexception.h"
#include "pbview.h"
#include "selectformaction.h"
#include "strprintf.h"
#include "urlviewformaction.h"
#include "utils.h"
using namespace podboat;
namespace newsboat {
ColorManager::ColorManager()
{
}
ColorManager::~ColorManager() {}
void ColorManager::register_commands(ConfigParser& cfgparser)
{
cfgparser.register_handler("color", *this);
}
void ColorManager::handle_action(const std::string& action,
const std::vector<std::string>& params)
{
LOG(Level::DEBUG,
"ColorManager::handle_action(%s,...) was called",
action);
if (action == "color") {
if (params.size() < 3) {
throw ConfigHandlerException(ActionHandlerStatus::TOO_FEW_PARAMS);
}
/*
* the command syntax is:
* color <element> <fgcolor> <bgcolor> [<attribute> ...]
*/
const std::string element = params[0];
const std::string fgcolor = params[1];
const std::string bgcolor = params[2];
if (!utils::is_valid_color(fgcolor)) {
throw ConfigHandlerException(strprintf::fmt(
_("`%s' is not a valid color"), fgcolor));
}
if (!utils::is_valid_color(bgcolor)) {
throw ConfigHandlerException(strprintf::fmt(
_("`%s' is not a valid color"), bgcolor));
}
const std::vector<std::string> attribs(
std::next(params.cbegin(), 3),
params.cend());
for (const auto& attr : attribs) {
if (!utils::is_valid_attribute(attr)) {
throw ConfigHandlerException(strprintf::fmt(
_("`%s' is not a valid attribute"),
attr));
}
}
/* we only allow certain elements to be configured, also to
* indicate the user possible mis-spellings */
const std::vector<std::string> supported_elements({
"listnormal",
"listfocus",
"listnormal_unread",
"listfocus_unread",
"info",
"background",
"article",
"end-of-text-marker",
"title",
"hint-key",
"hint-keys-delimiter",
"hint-separator",
"hint-description"
});
const auto element_is_supported = std::find(supported_elements.cbegin(),
supported_elements.cend(), element) != supported_elements.cend();
if (element_is_supported) {
element_styles[element] = {fgcolor, bgcolor, attribs};
} else {
throw ConfigHandlerException(strprintf::fmt(
_("`%s' is not a valid configuration element"),
element));
}
} else {
throw ConfigHandlerException(ActionHandlerStatus::INVALID_COMMAND);
}
}
void ColorManager::dump_config(std::vector<std::string>& config_output) const
{
for (const auto& element_style : element_styles) {
const std::string& element = element_style.first;
const TextStyle& style = element_style.second;
std::string configline = strprintf::fmt("color %s %s %s",
element,
style.fg_color,
style.bg_color);
for (const auto& attrib : style.attributes) {
configline.append(" ");
configline.append(attrib);
}
config_output.push_back(configline);
}
}
std::string format_style(const TextStyle& style)
{
std::string result;
if (style.fg_color != "default") {
result.append("fg=");
result.append(style.fg_color);
}
if (style.bg_color != "default") {
if (!result.empty()) {
result.append(",");
}
result.append("bg=");
result.append(style.bg_color);
}
for (const auto& attr : style.attributes) {
if (!result.empty()) {
result.append(",");
}
result.append("attr=");
result.append(attr);
}
return result;
}
void ColorManager::emit_fallback_from_to(const std::string& from_element,
const std::string& to_element,
const std::function<void(const std::string&, const std::string&)>& stfl_value_setter) const
{
const auto from_style = element_styles.find(from_element);
const auto to_style = element_styles.find(to_element);
if (from_style == element_styles.cend() && to_style != element_styles.cend()) {
const auto style = format_style(to_style->second);
LOG(Level::DEBUG, "ColorManager::apply_colors: %s inherited from %s %s\n", from_element,
to_element, style);
stfl_value_setter(from_element, style);
}
}
void ColorManager::apply_colors(
std::function<void(const std::string&, const std::string&)> stfl_value_setter)
const
{
for (const auto& element_style : element_styles) {
const std::string& element = element_style.first;
const TextStyle& style = element_style.second;
const auto colorattr = format_style(style);
LOG(Level::DEBUG,
"ColorManager::apply_colors: %s %s\n",
element,
colorattr);
stfl_value_setter(element, colorattr);
if (element == "article") {
std::string bold = colorattr;
std::string underline = colorattr;
if (!bold.empty()) {
bold.append(",");
}
if (!underline.empty()) {
underline.append(",");
}
bold.append("attr=bold");
underline.append("attr=underline");
// STFL will just ignore those in forms which don't have the
// `color_bold` and `color_underline` variables.
LOG(Level::DEBUG, "ColorManager::apply_colors: color_bold %s\n", bold);
stfl_value_setter("color_bold", bold);
LOG(Level::DEBUG, "ColorManager::apply_colors: color_underline %s\n", underline);
stfl_value_setter("color_underline", underline);
}
}
emit_fallback_from_to("title", "info", stfl_value_setter);
emit_fallback_from_to("hint-key", "info", stfl_value_setter);
emit_fallback_from_to("hint-keys-delimiter", "info", stfl_value_setter);
emit_fallback_from_to("hint-separator", "info", stfl_value_setter);
emit_fallback_from_to("hint-description", "info", stfl_value_setter);
}
} // namespace newsboat
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