Add 8 bit version of DCS, APC, PM, OSC - st - Simple Terminal

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---

commit 984c12d2a67fd19ee69b35152d93de8cb67595e8

parent da78629cf5fa234204f002ff2c2b597a2bf7e76f

Author: Roberto E. Vargas Caballero 

Date:   Fri, 20 Jun 2014 09:51:18 +0200

Add 8 bit version of DCS, APC, PM, OSC

DCS, APC, PM, OSC version for 7 bits environments already was implemented
in st.  This patch adds the 8 bit version of it.

Diffstat:
  st.c                                |      39 +++++++++++++++++++++++++------

1 file changed, 32 insertions(+), 7 deletions(-)
---

diff --git a/st.c b/st.c

@@ -405,6 +405,7 @@ static void ttyread(void);
 static void ttyresize(void);
 static void ttysend(char *, size_t);
 static void ttywrite(const char *, size_t);
+static void tstrsequence(uchar c);
 
 static void xdraws(char *, Glyph, int, int, int, int);
 static void xhints(void);
@@ -2348,6 +2349,30 @@ tdeftran(char ascii) {
 }
 
 void
+ttstrsequence(uchar c) {
+        if (c & 0x80) {
+                switch (c) {
+                case 0x90:   /* DCS -- Device Control String */
+                        c = 'P';
+                        break;
+                case 0x9f:   /* APC -- Application Program Command */
+                        c = '_';
+                        break;
+                case 0x9e:   /* PM -- Privacy Message */
+                        c = '^';
+                        break;
+                case 0x9d:   /* OSC -- Operating System Command */
+                        c = ']';
+                        break;
+                }
+        }
+        strreset();
+        strescseq.type = c;
+        term.esc |= ESC_STR;
+        return;
+}
+
+void
 ttcontrolcode(uchar ascii) {
         static char question[UTF_SIZ] = "?";
 
@@ -2411,7 +2436,6 @@ tcontrolcode(uchar ascii) {
         case 0x8d:   /* TODO: RI */
         case 0x8e:   /* TODO: SS2 */
         case 0x8f:   /* TODO: SS3 */
-        case 0x90:   /* TODO: DCS */
         case 0x98:   /* TODO: SOS */
                 break;
         case 0x9a:   /* DECID -- Identify Terminal */
@@ -2419,10 +2443,13 @@ tcontrolcode(uchar ascii) {
                 break;
         case 0x9b:   /* TODO: CSI */
         case 0x9c:   /* TODO: ST */
-        case 0x9d:   /* TODO: OSC */
-        case 0x9e:   /* TODO: PM */
-        case 0x9f:   /* TODO: APC */
                 break;
+        case 0x90:   /* DCS -- Device Control String */
+        case 0x9f:   /* APC -- Application Program Command */
+        case 0x9e:   /* PM -- Privacy Message */
+        case 0x9d:   /* OSC -- Operating System Command */
+                tstrsequence(ascii);
+                return;
         }
         /* only CAN, SUB, \a and C1 chars interrupt a sequence */
         term.esc &= ~(ESC_STR_END|ESC_STR);
@@ -2538,9 +2565,7 @@ tputc(char *c, int len) {
                         case '^': /* PM -- Privacy Message */
                         case ']': /* OSC -- Operating System Command */
                         case 'k': /* old title set compatibility */
-                                strreset();
-                                strescseq.type = ascii;
-                                term.esc |= ESC_STR;
+                                tstrsequence(ascii);
                                 return;
                         case '(': /* set primary charset G0 */
                         case ')': /* set secondary charset G1 */