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Diffstat (limited to 'graphics/asymptote/LspCpp/src/jsonrpc/StreamMessageProducer.cpp')
-rw-r--r--graphics/asymptote/LspCpp/src/jsonrpc/StreamMessageProducer.cpp314
1 files changed, 157 insertions, 157 deletions
diff --git a/graphics/asymptote/LspCpp/src/jsonrpc/StreamMessageProducer.cpp b/graphics/asymptote/LspCpp/src/jsonrpc/StreamMessageProducer.cpp
index 119e9040bd..cc14d62076 100644
--- a/graphics/asymptote/LspCpp/src/jsonrpc/StreamMessageProducer.cpp
+++ b/graphics/asymptote/LspCpp/src/jsonrpc/StreamMessageProducer.cpp
@@ -7,185 +7,185 @@
bool StartsWith(std::string value, std::string start);
bool StartsWith(std::string value, std::string start) {
- if (start.size() > value.size())
- return false;
- return std::equal(start.begin(), start.end(), value.begin());
+ if (start.size() > value.size())
+ return false;
+ return std::equal(start.begin(), start.end(), value.begin());
}
using namespace std;
namespace
{
- string JSONRPC_VERSION = "2.0";
- string CONTENT_LENGTH_HEADER = "Content-Length";
- string CONTENT_TYPE_HEADER = "Content-Type";
- string JSON_MIME_TYPE = "application/json";
- string CRLF = "\r\n";
+ string JSONRPC_VERSION = "2.0";
+ string CONTENT_LENGTH_HEADER = "Content-Length";
+ string CONTENT_TYPE_HEADER = "Content-Type";
+ string JSON_MIME_TYPE = "application/json";
+ string CRLF = "\r\n";
}
void StreamMessageProducer::parseHeader(std::string& line, StreamMessageProducer::Headers& headers)
{
- int sepIndex = line.find(':');
- if (sepIndex >= 0) {
- auto key = line.substr(0, sepIndex);
- if(key == CONTENT_LENGTH_HEADER)
- {
- headers.contentLength = atoi(line.substr(sepIndex + 1).data());
- }
- else if(key == CONTENT_TYPE_HEADER)
- {
- int charsetIndex = line.find("charset=");
- if (charsetIndex >= 0)
- headers.charset = line.substr(charsetIndex + 8);
- }
- }
+ int sepIndex = line.find(':');
+ if (sepIndex >= 0) {
+ auto key = line.substr(0, sepIndex);
+ if(key == CONTENT_LENGTH_HEADER)
+ {
+ headers.contentLength = atoi(line.substr(sepIndex + 1).data());
+ }
+ else if(key == CONTENT_TYPE_HEADER)
+ {
+ int charsetIndex = line.find("charset=");
+ if (charsetIndex >= 0)
+ headers.charset = line.substr(charsetIndex + 8);
+ }
+ }
}
-
+
void StreamMessageProducer::listen(MessageConsumer callBack)
{
- if(!input)
- return;
-
- keepRunning = true;
- bool newLine = false;
- Headers headers;
- string headerBuilder ;
- string debugBuilder ;
- // Read the content length. It is terminated by the "\r\n" sequence.
- while (keepRunning)
- {
- if(input->bad())
- {
- std::string info = "Input stream is bad.";
- auto what = input->what();
- if (what.size())
- {
- info += "Reason:";
- info += input->what();
- }
- MessageIssue issue(info, lsp::Log::Level::SEVERE);
- issueHandler.handle(std::move(issue));
- return;
- }
- if(input->fail())
- {
- std::string info = "Input fail.";
- auto what = input->what();
- if(what.size())
- {
- info += "Reason:";
- info += input->what();
- }
- MessageIssue issue(info, lsp::Log::Level::WARNING);
- issueHandler.handle(std::move(issue));
- if(input->need_to_clear_the_state())
- input->clear();
- else
- {
- return;
- }
- }
- int c = input->get();
- if (c == EOF) {
- // End of input stream has been reached
- keepRunning = false;
- }
- else
- {
-
- debugBuilder.push_back((char)c);
- if (c == '\n')
- {
- if (newLine) {
- // Two consecutive newlines have been read, which signals the start of the message content
- if (headers.contentLength <= 0)
- {
- string info = "Unexpected token:" + debugBuilder;
- info = +" (expected Content-Length: sequence);";
- MessageIssue issue(info, lsp::Log::Level::WARNING);
- issueHandler.handle(std::move(issue));
- }
- else {
- bool result = handleMessage(headers,callBack);
- if (!result)
- keepRunning = false;
- newLine = false;
- }
- headers.clear();
- debugBuilder.clear();
- }
- else if (!headerBuilder.empty()) {
- // A single newline ends a header line
- parseHeader(headerBuilder, headers);
- headerBuilder.clear();
- }
- newLine = true;
- }
- else if (c != '\r') {
- // Add the input to the current header line
-
- headerBuilder.push_back((char)c);
- newLine = false;
- }
- }
- }
+ if(!input)
+ return;
+
+ keepRunning = true;
+ bool newLine = false;
+ Headers headers;
+ string headerBuilder ;
+ string debugBuilder ;
+ // Read the content length. It is terminated by the "\r\n" sequence.
+ while (keepRunning)
+ {
+ if(input->bad())
+ {
+ std::string info = "Input stream is bad.";
+ auto what = input->what();
+ if (what.size())
+ {
+ info += "Reason:";
+ info += input->what();
+ }
+ MessageIssue issue(info, lsp::Log::Level::SEVERE);
+ issueHandler.handle(std::move(issue));
+ return;
+ }
+ if(input->fail())
+ {
+ std::string info = "Input fail.";
+ auto what = input->what();
+ if(what.size())
+ {
+ info += "Reason:";
+ info += input->what();
+ }
+ MessageIssue issue(info, lsp::Log::Level::WARNING);
+ issueHandler.handle(std::move(issue));
+ if(input->need_to_clear_the_state())
+ input->clear();
+ else
+ {
+ return;
+ }
+ }
+ int c = input->get();
+ if (c == EOF) {
+ // End of input stream has been reached
+ keepRunning = false;
+ }
+ else
+ {
+
+ debugBuilder.push_back((char)c);
+ if (c == '\n')
+ {
+ if (newLine) {
+ // Two consecutive newlines have been read, which signals the start of the message content
+ if (headers.contentLength <= 0)
+ {
+ string info = "Unexpected token:" + debugBuilder;
+ info = +" (expected Content-Length: sequence);";
+ MessageIssue issue(info, lsp::Log::Level::WARNING);
+ issueHandler.handle(std::move(issue));
+ }
+ else {
+ bool result = handleMessage(headers,callBack);
+ if (!result)
+ keepRunning = false;
+ newLine = false;
+ }
+ headers.clear();
+ debugBuilder.clear();
+ }
+ else if (!headerBuilder.empty()) {
+ // A single newline ends a header line
+ parseHeader(headerBuilder, headers);
+ headerBuilder.clear();
+ }
+ newLine = true;
+ }
+ else if (c != '\r') {
+ // Add the input to the current header line
+
+ headerBuilder.push_back((char)c);
+ newLine = false;
+ }
+ }
+ }
}
void StreamMessageProducer::bind(std::shared_ptr<lsp::istream>_in)
{
- input = _in;
+ input = _in;
}
bool StreamMessageProducer::handleMessage(Headers& headers ,MessageConsumer callBack)
{
- // Read content.
- auto content_length = headers.contentLength;
- std::string content(content_length,0);
- auto data = &content[0];
- input->read(data, content_length);
- if (input->bad())
- {
- std::string info = "Input stream is bad.";
- auto what = input->what();
- if (!what.empty())
- {
- info += "Reason:";
- info += input->what();
- }
- MessageIssue issue(info, lsp::Log::Level::SEVERE);
- issueHandler.handle(std::move(issue));
- return false;
- }
-
- if (input->eof())
- {
- MessageIssue issue("No more input when reading content body", lsp::Log::Level::INFO);
- issueHandler.handle(std::move(issue));
- return false;
- }
- if (input->fail())
- {
- std::string info = "Input fail.";
- auto what = input->what();
- if (!what.empty())
- {
- info += "Reason:";
- info += input->what();
- }
- MessageIssue issue(info, lsp::Log::Level::WARNING);
- issueHandler.handle(std::move(issue));
- if (input->need_to_clear_the_state())
- input->clear();
- else
- {
- return false;
- }
- }
-
- callBack(std::move(content));
-
- return true;
+ // Read content.
+ auto content_length = headers.contentLength;
+ std::string content(content_length,0);
+ auto data = &content[0];
+ input->read(data, content_length);
+ if (input->bad())
+ {
+ std::string info = "Input stream is bad.";
+ auto what = input->what();
+ if (!what.empty())
+ {
+ info += "Reason:";
+ info += input->what();
+ }
+ MessageIssue issue(info, lsp::Log::Level::SEVERE);
+ issueHandler.handle(std::move(issue));
+ return false;
+ }
+
+ if (input->eof())
+ {
+ MessageIssue issue("No more input when reading content body", lsp::Log::Level::INFO);
+ issueHandler.handle(std::move(issue));
+ return false;
+ }
+ if (input->fail())
+ {
+ std::string info = "Input fail.";
+ auto what = input->what();
+ if (!what.empty())
+ {
+ info += "Reason:";
+ info += input->what();
+ }
+ MessageIssue issue(info, lsp::Log::Level::WARNING);
+ issueHandler.handle(std::move(issue));
+ if (input->need_to_clear_the_state())
+ input->clear();
+ else
+ {
+ return false;
+ }
+ }
+
+ callBack(std::move(content));
+
+ return true;
}