Reading and Writing now throw std::domain_exception is they fail to open the file, allowing exception handling by the library user instead of trying to define the behavior in sac-format (previously used std::cerr to output to console).

Author: arbCoding

src/sac_format.cpp

@@ -775,8 +775,7 @@ void Trace::data2(const std::vector<double> &input) {
 Trace::Trace(const std::filesystem::path &path) {
   std::ifstream file(path, std::ifstream::binary);
   if (!file) {
-    std::cerr << path.string() << " could not be read.\n";
-    return;
+    throw std::domain_error(path.string() + "cannot be opened to read.");
   }
   file.seekg(0);
   //--------------------------------------------------------------------------
@@ -969,8 +968,7 @@ Trace::Trace(const std::filesystem::path &path) {
 void Trace::write(const std::filesystem::path &path, const bool legacy) const {
   std::ofstream file(path, std::ios::binary | std::ios::out | std::ios::trunc);
   if (!file) {
-    std::cerr << path.string() << "cannot be written.\n";
-    return;
+    throw std::domain_error(path.string() + "cannot be opened to write.");
   }
   const int header_version{legacy ? old_hdr_version : modern_hdr_version};
   write_words(&file, convert_to_word(static_cast<float>(delta())));

src/sac_format.hpp

@@ -18,6 +18,8 @@
 #include <iostream>
 #include <limits>
 #include <numbers>
+// std::domain_error
+#include <stdexcept>
 #include <string>
 #include <string_view>
 #include <unordered_map>