void LinTVPlay::processFinished(int exitCode, QProcess::ExitStatus exitStatus)
{
if (m_restart) {
// Also make sure args are updated as well....
loadArgs();
// Start the process once again
m_mplayerProcess->start();
m_restart = false;
}
emit finished(exitCode, exitStatus);
kDebug() << "Process finished!";
}
/***********************************************************************
* Parse a single documentation block for markup
**********************************************************************/
static Poco::JSON::Object::Ptr parseCommentBlockForMarkup(const CodeBlock &commentBlock)
{
Poco::JSON::Object::Ptr topObj(new Poco::JSON::Object());
Poco::JSON::Array calls;
Poco::JSON::Array keywords;
Poco::JSON::Array::Ptr aliases(new Poco::JSON::Array());
Poco::JSON::Array categories;
Poco::JSON::Array params;
Poco::JSON::Array::Ptr topDocs(new Poco::JSON::Array());
Poco::JSON::Object::Ptr currentParam;
std::string state;
std::string indent;
std::string instruction;
std::string payload;
//search for the markup begin tag and record the indent
for (const auto &codeLine : commentBlock)
{
std::string line = codeLine.text;
Poco::RegularExpression::MatchVec matches;
if (not state.empty())
{
if (line.size() >= indent.size() and line.substr(0, indent.size()) != indent)
{
if (codeLine.lineNo == commentBlock.back().lineNo) line = "";
else throw Pothos::SyntaxException("Inconsistent indentation", codeLine.toString());
}
if (line.size() >= indent.size()) line = line.substr(indent.size());
else line = "";
Poco::RegularExpression("^\\|(\\w+)\\s+(.*)$").match(line, 0, matches);
if (not matches.empty())
{
assert(matches.size() == 3);
instruction = line.substr(matches[1].offset, matches[1].length);
payload = line.substr(matches[2].offset, matches[2].length);
}
}
if (state.empty())
{
Poco::RegularExpression("^(.*)\\|PothosDoc\\s+(.*)$").match(line, 0, matches);
if (matches.empty()) continue;
assert(matches.size() == 3);
indent = line.substr(matches[1].offset, matches[1].length);
topObj->set("name", Poco::trim(line.substr(matches[2].offset, matches[2].length)));
state = "DOC";
}
else if (matches.empty() and state == "DOC")
{
topDocs->add(line);
}
else if (matches.empty() and state == "PARAM")
{
auto array = currentParam->getArray("desc");
array->add(line);
currentParam->set("desc", stripDocArray(array));
}
else if (instruction == "category" and state == "DOC")
{
categories.add(Poco::trim(payload));
}
else if (instruction == "keywords" and state == "DOC")
{
for (const auto &keyword : Poco::StringTokenizer(
payload, " \t", Poco::StringTokenizer::TOK_TRIM | Poco::StringTokenizer::TOK_IGNORE_EMPTY))
{
keywords.add(Poco::trim(keyword));
}
}
else if (instruction == "alias" and state == "DOC")
{
const std::string alias(Poco::trim(payload));
try {Pothos::PluginPath(alias);}
catch (const Pothos::PluginPathError &)
{
throw Pothos::SyntaxException("Invalid alias path", codeLine.toString());
}
aliases->add(alias);
}
else if (instruction == "param" and (state == "DOC" or state == "PARAM"))
{
payload = bracketEscapeEncode(payload);
Poco::RegularExpression::MatchVec fields;
Poco::RegularExpression("^\\s*(\\w+)(\\s*\\[(.*)\\]\\s*)?(.*)$").match(payload, 0, fields);
if (fields.empty()) throw Pothos::SyntaxException(
"Expected |param key[name] description",
codeLine.toString());
assert(fields.size() == 5);
const std::string key = bracketEscapeDecode(Poco::trim(payload.substr(fields[1].offset, fields[1].length)));
std::string name = titleCase(key);
if (fields[3].length != 0) name = bracketEscapeDecode(Poco::trim(payload.substr(fields[3].offset, fields[3].length)));
const std::string desc = bracketEscapeDecode(Poco::trim(payload.substr(fields[4].offset, fields[4].length)));
currentParam = Poco::JSON::Object::Ptr(new Poco::JSON::Object());
params.add(currentParam);
currentParam->set("key", key);
currentParam->set("name", name);
Poco::JSON::Array::Ptr descArr(new Poco::JSON::Array());
descArr->add(desc);
currentParam->set("desc", descArr);
state = "PARAM";
}
else if (instruction == "default" and state == "PARAM")
{
if (currentParam->has("default")) throw Pothos::SyntaxException(
"Multiple occurrence of |default for param",
codeLine.toString());
currentParam->set("default", payload);
}
else if (instruction == "units" and state == "PARAM")
{
if (currentParam->has("units")) throw Pothos::SyntaxException(
"Multiple occurrence of |units for param",
codeLine.toString());
currentParam->set("units", payload);
}
else if (instruction == "widget" and state == "PARAM")
{
if (currentParam->has("widgetType")) throw Pothos::SyntaxException(
"Multiple occurrence of |widget for param",
codeLine.toString());
Poco::RegularExpression::MatchVec fields;
Poco::RegularExpression("^\\s*(\\w+)\\s*\\((.*)\\)$").match(payload, 0, fields);
if (fields.empty()) throw Pothos::SyntaxException(
"Expected |widget SpinBox(args...)",
codeLine.toString());
assert(fields.size() == 3);
const std::string widgetType = Poco::trim(payload.substr(fields[1].offset, fields[1].length));
const std::string argsStr = Poco::trim(payload.substr(fields[2].offset, fields[2].length));
currentParam->set("widgetType", widgetType);
loadArgs(codeLine, *currentParam, argsStr, "widgetArgs", "widgetKwargs");
}
else if (instruction == "tab" and state == "PARAM")
{
if (currentParam->has("tab")) throw Pothos::SyntaxException(
"Multiple occurrence of |tab for param",
codeLine.toString());
currentParam->set("tab", payload);
}
else if (instruction == "preview" and state == "PARAM")
{
if (currentParam->has("preview")) throw Pothos::SyntaxException(
"Multiple occurrence of preview for param",
codeLine.toString());
Poco::RegularExpression::MatchVec fields;
Poco::RegularExpression("^\\s*(\\w+)(\\s*\\((.*)\\))?$").match(payload, 0, fields);
if (fields.empty()) throw Pothos::SyntaxException(
"Expected |preview previewType(args...)",
codeLine.toString());
assert(fields.size() == 2 or fields.size() == 4);
const std::string previewType = Poco::trim(payload.substr(fields[1].offset, fields[1].length));
if (previewType != "disable" and
previewType != "enable" and
previewType != "valid" and
previewType != "invalid" and
previewType != "when"
) throw Pothos::SyntaxException(
"Only supports enable/disable/valid/invalid/when as value for preview option of param",
codeLine.toString());
currentParam->set("preview", previewType);
if (fields.size() == 4)
{
const std::string argsStr = Poco::trim(payload.substr(fields[3].offset, fields[3].length));
loadArgs(codeLine, *currentParam, argsStr, "previewArgs", "previewKwargs");
}
}
else if (instruction == "option" and state == "PARAM")
{
payload = bracketEscapeEncode(payload);
Poco::RegularExpression::MatchVec fields;
Poco::RegularExpression("^(\\s*\\[(.*)\\]\\s*)?(.*)$").match(payload, 0, fields);
if (fields.empty()) throw Pothos::SyntaxException(
"Expected |option [name] value",
codeLine.toString());
assert(fields.size() == 4);
const std::string value = bracketEscapeDecode(Poco::trim(payload.substr(fields[3].offset, fields[3].length)));
std::string name = titleCase(value);
if (fields[2].length != 0) name = bracketEscapeDecode(Poco::trim(payload.substr(fields[2].offset, fields[2].length)));
Poco::JSON::Object option;
option.set("value", value);
option.set("name", name);
if (not currentParam->has("options")) currentParam->set(
"options", Poco::JSON::Array::Ptr(new Poco::JSON::Array()));
currentParam->getArray("options")->add(option);
}
else if (instruction == "factory" and (state == "DOC" or state == "PARAM"))
{
Poco::RegularExpression::MatchVec fields;
Poco::RegularExpression("^\\s*(/.*)\\s*\\((.*)\\)$").match(payload, 0, fields);
if (fields.empty()) throw Pothos::SyntaxException(
"Expected |factory /registry/path(args...)",
codeLine.toString());
assert(fields.size() == 3);
const std::string path = Poco::trim(payload.substr(fields[1].offset, fields[1].length));
const std::string argsStr = Poco::trim(payload.substr(fields[2].offset, fields[2].length));
//add the path
try {Pothos::PluginPath(path);}
catch (const Pothos::PluginPathError &)
{
throw Pothos::SyntaxException("Invalid factory path", codeLine.toString());
}
if (topObj->has("path")) throw Pothos::SyntaxException(
"Multiple occurrence of |factory", codeLine.toString());
topObj->set("path", path);
//split and extract args
loadArgs(codeLine, *topObj, argsStr);
state = "DOC";
}
else if ((instruction == "setter" or instruction == "initializer") and (state == "DOC" or state == "PARAM"))
{
Poco::RegularExpression::MatchVec fields;
Poco::RegularExpression("^\\s*(\\w+)\\s*\\((.*)\\)$").match(payload, 0, fields);
if (fields.empty()) throw Pothos::SyntaxException(
"Expected |"+instruction+" setFooBar(args...)",
codeLine.toString());
assert(fields.size() == 3);
const std::string callName = Poco::trim(payload.substr(fields[1].offset, fields[1].length));
const std::string argsStr = Poco::trim(payload.substr(fields[2].offset, fields[2].length));
//add to calls
Poco::JSON::Object call;
call.set("type", instruction);
call.set("name", callName);
loadArgs(codeLine, call, argsStr);
calls.add(call);
state = "DOC";
}
else if (instruction == "mode" and (state == "DOC" or state == "PARAM"))
{
if (topObj->has("mode")) throw Pothos::SyntaxException(
"Multiple occurrence of |mode",
codeLine.toString());
topObj->set("mode", payload);
}
}
//empty state means this was a regular comment block, return null
if (state.empty()) return Poco::JSON::Object::Ptr();
topDocs = stripDocArray(topDocs);
if (topDocs->size() > 0) topObj->set("docs", topDocs);
if (categories.size() > 0) topObj->set("categories", categories);
if (keywords.size() > 0) topObj->set("keywords", keywords);
if (aliases->size() > 0) topObj->set("aliases", aliases);
if (params.size() > 0) topObj->set("params", params);
if (calls.size() > 0) topObj->set("calls", calls);
//sanity check for required stuff
if (not topObj->has("path"))
{
throw Pothos::SyntaxException("missing |factory declaration");
}
return topObj;
}
void LinTVPlay::start()
{
loadArgs();
m_mplayerProcess->start();
}