Initial serialization generator

diff --git a/gen_messages.c b/gen_messages.c
new file mode 100644 (file)
index 0000000..e1aee49
--- /dev/null
+++ b/gen_messages.c
@@ -0,0 +1,74 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static size_t split(char ***strs, char *s, const char *delim)
+{
+       size_t i = 0;
+       *strs = malloc((1+i) * sizeof(char *));
+
+       char *tok = strtok(s, delim);
+       while (tok != NULL) {
+               *strs = realloc(*strs, (1+i) * sizeof(char *));
+               (*strs)[i++] = tok;
+               tok = strtok(NULL, delim);
+       }
+
+       return i;
+}
+
+int main(int argc, char **argv)
+{
+       FILE *fp = fopen("messages.dnet", "r");
+
+       char data[1 << 16];
+       memset(data, 0, sizeof data);
+       fread(data, sizeof *data, sizeof data, fp);
+
+       fclose(fp);
+       fp = fopen("messages.h", "w");
+
+       char **msgs;
+       size_t msgs_len = split(&msgs, data, "\n");
+
+       char *msg = NULL;
+       for (size_t i = 0; i < msgs_len; i++) {
+               if (msgs[i][0] != '\t') {
+                       if (msg != NULL)
+                               fprintf(fp, "} %s;\n", msg);
+
+                       msg = msgs[i];
+                       fprintf(fp, "typedef struct {\n");
+               } else {
+                       char **tokens;
+                       split(&tokens, msgs[i], " ");
+
+                       char type[10];
+                       if (strcmp(tokens[0], "\ts8") == 0)
+                               strcpy(type, "int8_t ");
+                       else if (strcmp(tokens[0], "\ts16") == 0)
+                               strcpy(type, "int16_t ");
+                       else if (strcmp(tokens[0], "\ts32") == 0)
+                               strcpy(type, "int32_t ");
+                       else if (strcmp(tokens[0], "\ts64") == 0)
+                               strcpy(type, "int64_t ");
+                       else if (strcmp(tokens[0], "\tu8") == 0)
+                               strcpy(type, "uint8_t ");
+                       else if (strcmp(tokens[0], "\tu16") == 0)
+                               strcpy(type, "uint16_t ");
+                       else if (strcmp(tokens[0], "\tu32") == 0)
+                               strcpy(type, "uint32_t ");
+                       else if (strcmp(tokens[0], "\tu64") == 0)
+                               strcpy(type, "uint64_t ");
+
+                       fprintf(fp, "\t%s%s;\n", type, tokens[1]);
+                       free(tokens);
+               }
+       }
+
+       fprintf(fp, "} %s;\n", msg);
+
+       free(msgs);
+       fclose(fp);
+}