Added std::string_view accessor

Added non-const raw access for array like fields

Author: ksergey

sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/cpp/CppGenerator.java

@@ -1183,7 +1183,17 @@ private CharSequence generateArrayProperty(
  token.arrayLength()));
 
  sb.append(String.format("\n" +
- indent + " const char *%1$s() const\n" +
+ indent + " const char *%1$s() const SBE_NOEXCEPT\n" +
+ indent + " {\n" +
+ "%2$s" +
+ indent + " return (m_buffer + m_offset + %3$d);\n" +
+ indent + " }\n",
+ propertyName,
+ generateTypeFieldNotPresentCondition(token.version(), indent),
+ offset));
+
+ sb.append(String.format("\n" +
+ indent + " char *%1$s() SBE_NOEXCEPT\n" +
  indent + " {\n" +
  "%2$s" +
  indent + " return (m_buffer + m_offset + %3$d);\n" +
@@ -1199,7 +1209,7 @@ private CharSequence generateArrayProperty(
  indent);
 
  sb.append(String.format("\n" +
- indent + " %1$s %2$s(const std::uint64_t index) const\n" +
+ indent + " %1$s %2$s(std::uint64_t index) const\n" +
  indent + " {\n" +
  indent + " if (index >= %3$d)\n" +
  indent + " {\n" +
@@ -1222,7 +1232,7 @@ private CharSequence generateArrayProperty(
  indent);
 
  sb.append(String.format("\n" +
- indent + " %1$s %2$s(const std::uint64_t index, const %3$s value)\n" +
+ indent + " %1$s %2$s(std::uint64_t index, %3$s value)\n" +
  indent + " {\n" +
  indent + " if (index >= %4$d)\n" +
  indent + " {\n" +
@@ -1238,7 +1248,7 @@ private CharSequence generateArrayProperty(
  storeValue));
 
  sb.append(String.format("\n" +
- indent + " std::uint64_t get%1$s(char *dst, const std::uint64_t length) const\n" +
+ indent + " std::uint64_t get%1$s(char *dst, std::uint64_t length) const\n" +
  indent + " {\n" +
  indent + " if (length > %2$d)\n" +
  indent + " {\n" +
@@ -1255,7 +1265,7 @@ private CharSequence generateArrayProperty(
  cppTypeName));
 
  sb.append(String.format("\n" +
- indent + " %1$s &put%2$s(const char *src)\n" +
+ indent + " %1$s &put%2$s(const char *src) SBE_NOEXCEPT\n" +
  indent + " {\n" +
  indent + " std::memcpy(m_buffer + m_offset + %3$d, src, sizeof(%4$s) * %5$d);\n" +
  indent + " return *this;\n" +
@@ -1279,11 +1289,31 @@ private CharSequence generateArrayProperty(
  token.arrayLength()));
 
  sb.append(String.format("\n" +
- indent + " %1$s &put%2$s(const std::string& str)\n" +
+ indent + " #if __cplusplus >= 201703L\n" +
+ indent + " std::string_view get%1$sAsStringView() const SBE_NOEXCEPT\n" +
+ indent + " {\n" +
+ indent + " std::string_view result(m_buffer + m_offset + %2$d, %3$d);\n" +
+ indent + " return result;\n" +
+ indent + " }\n" +
+ indent + " #endif\n",
+ toUpperFirstChar(propertyName),
+ offset,
+ token.arrayLength()));
+
+ sb.append(String.format("\n" +
+ indent + " #if __cplusplus >= 201703L\n" +
+ indent + " %1$s &put%2$s(std::string_view str) SBE_NOEXCEPT\n" +
  indent + " {\n" +
  indent + " std::memcpy(m_buffer + m_offset + %3$d, str.c_str(), %4$d);\n" +
  indent + " return *this;\n" +
- indent + " }\n",
+ indent + " }\n" +
+ indent + " #else\n" +
+ indent + " %1$s &put%2$s(const std::string& str) SBE_NOEXCEPT\n" +
+ indent + " {\n" +
+ indent + " std::memcpy(m_buffer + m_offset + %3$d, str.c_str(), %4$d);\n" +
+ indent + " return *this;\n" +
+ indent + " }\n" +
+ indent + " #endif\n",
  containingClassName,
  toUpperFirstChar(propertyName),
  offset,