vte: select CSI flags

Correctly select CSI flags like ?, !, > or $ and more. We actually don't
care about the position of these flags as other CSI parameters are just
digits.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>

diff --git a/src/vte.c b/src/vte.c
index 96aadd8..60ed164 100644 (file)
--- a/src/vte.c
+++ b/src/vte.c
@@ -101,6 +101,16 @@ enum parser_action {
        ACTION_NUM
 };
 
+/* CSI flags */
+#define CSI_BANG       0x01            /* CSI: ! */
+#define CSI_CASH       0x02            /* CSI: $ */
+#define CSI_WHAT       0x04            /* CSI: ? */
+#define CSI_GT         0x08            /* CSI: > */
+#define CSI_SPACE      0x10            /* CSI:   */
+#define CSI_SQUOTE     0x20            /* CSI: ' */
+#define CSI_DQUOTE     0x40            /* CSI: " */
+#define CSI_MULT       0x80            /* CSI: * */
+
 /* max CSI arguments */
 #define CSI_ARG_MAX 16
 
@@ -122,6 +132,7 @@ struct kmscon_vte {
        unsigned int state;
        unsigned int csi_argc;
        int csi_argv[CSI_ARG_MAX];
+       unsigned int csi_flags;
 
        struct font_char_attr cattr;
        unsigned int flags;
@@ -378,10 +389,37 @@ static void do_clear(struct kmscon_vte *vte)
        vte->csi_argc = 0;
        for (i = 0; i < CSI_ARG_MAX; ++i)
                vte->csi_argv[i] = -1;
+       vte->csi_flags = 0;
 }
 
 static void do_collect(struct kmscon_vte *vte, uint32_t data)
 {
+       switch (data) {
+       case '!':
+               vte->csi_flags |= CSI_BANG;
+               break;
+       case '$':
+               vte->csi_flags |= CSI_CASH;
+               break;
+       case '?':
+               vte->csi_flags |= CSI_WHAT;
+               break;
+       case '>':
+               vte->csi_flags |= CSI_GT;
+               break;
+       case ' ':
+               vte->csi_flags |= CSI_SPACE;
+               break;
+       case '\'':
+               vte->csi_flags |= CSI_SQUOTE;
+               break;
+       case '"':
+               vte->csi_flags |= CSI_DQUOTE;
+               break;
+       case '*':
+               vte->csi_flags |= CSI_MULT;
+               break;
+       }
 }
 
 static void do_param(struct kmscon_vte *vte, uint32_t data)