Copy documentation into the config definitions.

scripts/protoencode.cc

@@ -2,12 +2,72 @@
 #include <google/protobuf/text_format.h>
 #include <google/protobuf/io/zero_copy_stream_impl.h>
 #include <fstream>
-#include "fmt/format.h"
+#include <fmt/format.h>
 #include "tests/testproto.pb.h"
 #include "lib/config.pb.h"
+#include <sstream>
+#include <locale>
 
 #define STRINGIFY(s) #s
 
+static uint32_t readu8(std::string::iterator& it, std::string::iterator end)
+{
+	int len;
+    uint32_t c = *it++;
+    if (c < 0x80)
+    {
+        /* Do nothing! */
+		len = 0;
+    }
+    else if (c < 0xc0)
+    {
+        /* Invalid character */
+        c = -1;
+		len = 0;
+    }
+    else if (c < 0xe0)
+    {
+        /* One trailing byte */
+        c &= 0x1f;
+		len = 1;
+    }
+    else if (c < 0xf0)
+    {
+        /* Two trailing bytes */
+        c &= 0x0f;
+		len = 2;
+    }
+    else if (c < 0xf8)
+    {
+        /* Three trailing bytes */
+        c &= 0x07;
+		len = 3;
+    }
+    else if (c < 0xfc)
+    {
+        /* Four trailing bytes */
+        c &= 0x03;
+		len = 4;
+    }
+    else
+    {
+        /* Five trailing bytes */
+        c &= 0x01;
+		len = 5;
+    }
+
+	while (len)
+	{
+		if (it == end)
+			break;
+
+		uint8_t d = *it++;
+		c <<= 6;
+		c += d & 0x3f;
+	}
+    return c;
+}
+
 int main(int argc, const char* argv[])
 {
 	PROTO message;
@@ -19,10 +79,37 @@ int main(int argc, const char* argv[])
 		exit(1);
 	}
 
-    google::protobuf::io::IstreamInputStream istream(&input);
-    if (!google::protobuf::TextFormat::Parse(&istream, &message))
+	std::stringstream ss;
+	std::string s;
+	while (std::getline(input, s, '\n'))
+	{
+		if (s == "<<<")
+		{
+			while (std::getline(input, s, '\n'))
+			{
+				if (s == ">>>")
+					break;
+
+				ss << '"';
+				auto it = s.begin();
+				for (;;)
+				{
+					uint32_t u = readu8(it, s.end());
+					if (!u)
+						break;
+
+					ss << fmt::format("\\u000{:02x}", u);
+				}
+				ss << "\\n\"\n";
+			}
+		}
+		else
+			ss << s << '\n';
+	}
+
+    if (!google::protobuf::TextFormat::ParseFromString(ss.str(), &message))
     {
-        fprintf(stderr, "cannot parse text proto");
+        fprintf(stderr, "cannot parse text proto: %s\n", argv[1]);
         exit(1);
     }