From 226388ae27374956df03a234fcc0fa3cb53415ce Mon Sep 17 00:00:00 2001
From: yhirose <yuji.hirose.bug@gmail.com>
Date: Tue, 23 Nov 2021 10:47:30 -0500
Subject: [PATCH] Resolve #1100

---
 httplib.h     | 14 ++++++++++++++
 test/Makefile |  4 ++--
 test/test.cc  | 10 ++++++++++
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/httplib.h b/httplib.h
index 2e0ac21..08f7c51 100644
--- a/httplib.h
+++ b/httplib.h
@@ -3611,7 +3611,11 @@ inline bool parse_multipart_boundary(const std::string &content_type,
   return !boundary.empty();
 }
 
+#ifdef CPPHTTPLIB_NO_EXCEPTIONS
+inline bool parse_range_header(const std::string &s, Ranges &ranges) {
+#else
 inline bool parse_range_header(const std::string &s, Ranges &ranges) try {
+#endif
   static auto re_first_range = std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))");
   std::smatch m;
   if (std::regex_match(s, m, re_first_range)) {
@@ -3643,7 +3647,11 @@ inline bool parse_range_header(const std::string &s, Ranges &ranges) try {
     return all_valid_ranges;
   }
   return false;
+#ifdef CPPHTTPLIB_NO_EXCEPTIONS
+}
+#else
 } catch (...) { return false; }
+#endif
 
 class MultipartFormDataParser {
 public:
@@ -5505,6 +5513,9 @@ Server::process_request(Stream &strm, bool close_connection,
 
   // Rounting
   bool routed = false;
+#ifdef CPPHTTPLIB_NO_EXCEPTIONS
+  routed = routing(req, res, strm);
+#else
   try {
     routed = routing(req, res, strm);
   } catch (std::exception &e) {
@@ -5519,6 +5530,7 @@ Server::process_request(Stream &strm, bool close_connection,
     res.status = 500;
     res.set_header("EXCEPTION_WHAT", "UNKNOWN");
   }
+#endif
 
   if (routed) {
     if (res.status == -1) { res.status = req.ranges.empty() ? 200 : 206; }
@@ -7579,8 +7591,10 @@ inline Client::Client(const std::string &scheme_host_port,
 #else
     if (!scheme.empty() && scheme != "http") {
 #endif
+#ifndef CPPHTTPLIB_NO_EXCEPTIONS
       std::string msg = "'" + scheme + "' scheme is not supported.";
       throw std::invalid_argument(msg);
+#endif
       return;
     }
 
diff --git a/test/Makefile b/test/Makefile
index 52139e5..0b228ad 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,5 +1,5 @@
-#CXX = clang++
-CXXFLAGS = -g -std=c++11 -I. -Wall -Wextra -Wtype-limits -Wconversion #-fsanitize=address
+CXX = clang++
+CXXFLAGS = -g -std=c++11 -I. -Wall -Wextra -Wtype-limits -Wconversion # -fno-exceptions -DCPPHTTPLIB_NO_EXCEPTIONS -fsanitize=address
 
 PREFIX = /usr/local
 #PREFIX = $(shell brew --prefix)
diff --git a/test/test.cc b/test/test.cc
index 68ee018..04c9efc 100644
--- a/test/test.cc
+++ b/test/test.cc
@@ -37,8 +37,12 @@ MultipartFormData &get_file_value(MultipartFormDataItems &files,
   auto it = std::find_if(
       files.begin(), files.end(),
       [&](const MultipartFormData &file) { return file.name == key; });
+#ifdef CPPHTTPLIB_NO_EXCEPTIONS
+  return *it;
+#else
   if (it != files.end()) { return *it; }
   throw std::runtime_error("invalid mulitpart form data name error");
+#endif
 }
 
 TEST(ConstructorTest, MoveConstructible) {
@@ -1187,6 +1191,7 @@ TEST(ErrorHandlerTest, ContentLength) {
   ASSERT_FALSE(svr.is_running());
 }
 
+#ifndef CPPHTTPLIB_NO_EXCEPTIONS
 TEST(ExceptionHandlerTest, ContentLength) {
   Server svr;
 
@@ -1222,6 +1227,7 @@ TEST(ExceptionHandlerTest, ContentLength) {
   thread.join();
   ASSERT_FALSE(svr.is_running());
 }
+#endif
 
 TEST(NoContentTest, ContentLength) {
   Server svr;
@@ -3681,6 +3687,7 @@ TEST(MountTest, Unmount) {
   ASSERT_FALSE(svr.is_running());
 }
 
+#ifndef CPPHTTPLIB_NO_EXCEPTIONS
 TEST(ExceptionTest, ThrowExceptionInHandler) {
   Server svr;
 
@@ -3709,6 +3716,7 @@ TEST(ExceptionTest, ThrowExceptionInHandler) {
   listen_thread.join();
   ASSERT_FALSE(svr.is_running());
 }
+#endif
 
 TEST(KeepAliveTest, ReadTimeout) {
   Server svr;
@@ -4515,9 +4523,11 @@ TEST(NoSSLSupport, SimpleInterface) {
 }
 #endif
 
+#ifndef CPPHTTPLIB_NO_EXCEPTIONS
 TEST(InvalidScheme, SimpleInterface) {
   ASSERT_ANY_THROW(Client cli("scheme://yahoo.com"));
 }
+#endif
 
 TEST(NoScheme, SimpleInterface) {
   Client cli("yahoo.com:80");