Initial hack at a trivial terminal parser dumper program

.bzrignore

@@ -2,6 +2,9 @@
 *.lo
 *.la
 
+bin/*
+!bin/*.c
+
 pangoterm
 t/test
 t/suites.h

Makefile

@@ -57,6 +57,10 @@ src/encoding/%.inc: src/encoding/%.tbl
 
 src/encoding.lo: $(INCFILES)
 
+bin/%: bin/%.c $(LIBRARY)
+	@echo CC $<
+	@$(LIBTOOL) --mode=link --tag=CC $(CC) $(CFLAGS) -o $@ $< -lvterm
+
 t/harness.lo: t/harness.c $(HFILES)
 	@echo CC $<
 	@$(LIBTOOL) --mode=compile --tag=CC $(CC) $(CFLAGS) -o $@ -c $<

bin/vterm-dump.c

@@ -0,0 +1,116 @@
+#include <stdio.h>
+#include <string.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "vterm.h"
+
+static int parser_text(const char bytes[], size_t len, void *user)
+{
+  int i;
+  for(i = 0; i < len; i++)
+    if(bytes[i] < 0x20 || (bytes[i] >= 0x80 && bytes[i] < 0xa0))
+      break;
+
+  printf("TEXT %.*s\n", i, bytes);
+  return i;
+}
+
+static int parser_control(unsigned char control, void *user)
+{
+  printf("CONTROL 0x%02x\n", control);
+  return 1;
+}
+
+static int parser_escape(const char bytes[], size_t len, void *user)
+{
+  if(bytes[0] >= 0x20 && bytes[0] < 0x30) {
+    if(len < 2)
+      return -1;
+    len = 2;
+  }
+  else {
+    len = 1;
+  }
+
+  printf("ESC ");
+  for(int i = 0; i < len; i++)
+    printf("%c ", bytes[i]);
+  printf("\n");
+
+  return len;
+}
+
+static int parser_csi(const char *leader, const long args[], int argcount, const char *intermed, char command, void *user)
+{
+  printf("CSI ");
+
+  if(leader && leader[0])
+    printf("%s ", leader);
+
+  for(int i = 0; i < argcount; i++) {
+    if(i)
+      printf(",");
+
+    if(args[i] == CSI_ARG_MISSING)
+      printf("*");
+    else
+      printf("%ld%s", CSI_ARG(args[i]), CSI_ARG_HAS_MORE(args[i]) ? "+" : " ");
+  }
+
+  if(intermed && intermed[0])
+    printf("%s ", intermed);
+
+  printf("%c\n", command);
+
+  return 1;
+}
+
+static int parser_osc(const char *command, size_t cmdlen, void *user)
+{
+  printf("OSC %.*s\n", (int)cmdlen, command);
+
+  return 1;
+}
+
+static int parser_dcs(const char *command, size_t cmdlen, void *user)
+{
+  printf("DCS %.*s\n", (int)cmdlen, command);
+
+  return 1;
+}
+
+static VTermParserCallbacks parser_cbs = {
+  .text    = &parser_text,
+  .control = &parser_control,
+  .escape  = &parser_escape,
+  .csi     = &parser_csi,
+  .osc     = &parser_osc,
+  .dcs     = &parser_dcs,
+};
+
+int main(int argc, char *argv[])
+{
+  int fd = open(argv[1], O_RDONLY);
+  if(fd == -1) {
+    fprintf(stderr, "Cannot open %s - %s\n", argv[1], strerror(errno));
+    exit(1);
+  }
+
+  /* Size matters not for the parser */
+  VTerm *vt = vterm_new(25, 80);
+  vterm_set_parser_callbacks(vt, &parser_cbs, NULL);
+
+  int len;
+  char buffer[1024];
+  while((len = read(fd, buffer, sizeof(buffer))) > 0) {
+    vterm_push_bytes(vt, buffer, len);
+  }
+
+  close(fd);
+  vterm_free(vt);
+}