X-Git-Url: http://git.madism.org/?a=blobdiff_plain;f=madtty%2Finject.c;h=29755fb91610292894d42653aa7703780729f49b;hb=f825f4ca53c05c78e52b7e007e07ad76587fb46c;hp=7334921b0995bbc9efc92d29d7af010959697205;hpb=8ead06c97e16165208fd9d02ada73d63aeca11f2;p=apps%2Fmadtty.git

diff --git a/madtty/inject.c b/madtty/inject.c
index 7334921..29755fb 100644
--- a/madtty/inject.c
+++ b/madtty/inject.c
@@ -21,19 +21,44 @@
 
 #include <string.h>
 #include <stdio.h>
+#include <ctype.h>
 
 #include "madtty.h"
-#include "roteprivate.h"
-#include "inject_csi.h"
+#include "madtty_priv.h"
+
+#define MAX_CSI_ES_PARAMS 32
+
+static inline void clamp_cursor_to_bounds(RoteTerm *rt)
+{
+    if (rt->crow < 0) {
+        rt->curpos_dirty = true;
+        rt->crow = 0;
+    }
+    if (rt->ccol < 0) {
+        rt->curpos_dirty = true;
+        rt->ccol = 0;
+    }
+
+    if (rt->crow >= rt->rows) {
+        rt->curpos_dirty = true;
+        rt->crow = rt->rows - 1;
+    }
+    if (rt->ccol >= rt->cols) {
+        rt->curpos_dirty = true;
+        rt->ccol = rt->cols - 1;
+    }
+}
 
 static void cursor_line_down(RoteTerm *rt)
 {
     int i;
+
     rt->crow++;
     rt->curpos_dirty = true;
-    if (rt->crow <= rt->pd->scrollbottom) return;
+    if (rt->crow <= rt->pd->scrollbottom)
+        return;
 
-    /* must scroll the scrolling region up by 1 line, and put cursor on 
+    /* must scroll the scrolling region up by 1 line, and put cursor on
      * last line of it */
     rt->crow = rt->pd->scrollbottom;
 
@@ -46,20 +71,21 @@ static void cursor_line_down(RoteTerm *rt)
 
     /* clear last row of the scrolling region */
     for (i = 0; i < rt->cols; i++) {
-        rt->cells[rt->pd->scrollbottom][i].ch = 0x20;
+        rt->cells[rt->pd->scrollbottom][i].ch   = 0x20;
         rt->cells[rt->pd->scrollbottom][i].attr = 0x70;
     }
-
 }
 
 static void cursor_line_up(RoteTerm *rt)
 {
     int i;
+
     rt->crow--;
     rt->curpos_dirty = true;
-    if (rt->crow >= rt->pd->scrolltop) return;
+    if (rt->crow >= rt->pd->scrolltop)
+        return;
 
-    /* must scroll the scrolling region up by 1 line, and put cursor on 
+    /* must scroll the scrolling region up by 1 line, and put cursor on
      * first line of it */
     rt->crow = rt->pd->scrolltop;
 
@@ -72,13 +98,12 @@ static void cursor_line_up(RoteTerm *rt)
 
     /* clear first row of the scrolling region */
     for (i = 0; i < rt->cols; i++) {
-        rt->cells[rt->pd->scrolltop][i].ch = 0x20;
+        rt->cells[rt->pd->scrolltop][i].ch   = 0x20;
         rt->cells[rt->pd->scrolltop][i].attr = 0x70;
     }
-
 }
 
-static inline void put_normal_char(RoteTerm *rt, char c)
+static inline void put_normal_char(RoteTerm *rt, int c)
 {
     if (rt->ccol >= rt->cols) {
         rt->ccol = 0;
@@ -88,11 +113,12 @@ static inline void put_normal_char(RoteTerm *rt, char c)
     if (rt->insert) {
         int i;
 
-        for(i = rt->cols - 1; i >= rt->ccol+1; i--)
+        for(i = rt->cols - 1; i >= rt->ccol+1; i--) {
             rt->cells[rt->crow][i] = rt->cells[rt->crow][i-1];
+        }
     }
 
-    rt->cells[rt->crow][rt->ccol].ch = c;
+    rt->cells[rt->crow][rt->ccol].ch   = c;
     rt->cells[rt->crow][rt->ccol].attr = rt->curattr;
     rt->ccol++;
 
@@ -100,12 +126,12 @@ static inline void put_normal_char(RoteTerm *rt, char c)
     rt->curpos_dirty = true;
 }
 
-static inline void put_graphmode_char(RoteTerm *rt, char c)
+static inline void put_graphmode_char(RoteTerm *rt, int c)
 {
     char nc;
     /* do some very pitiful translation to regular ascii chars */
     switch (c) {
-      case 'j': case 'k': case 'l': case 'm': case 'n': case 't': 
+      case 'j': case 'k': case 'l': case 'm': case 'n': case 't':
       case 'u': case 'v': case 'w':
         nc = '+'; break;
       case 'x':
@@ -131,54 +157,63 @@ static inline void cancel_escape_sequence(RoteTerm *rt)
     rt->pd->esbuf[0] = '\0';
 }
 
-static void handle_control_char(RoteTerm *rt, char c)
+static void handle_control_char(RoteTerm *rt, int c)
 {
     switch (c) {
-      case '\r': rt->ccol = 0; break; /* carriage return */
+      case '\r':  /* carriage return */
+        rt->ccol = 0;
+        break;
+
       case '\n':  /* line feed */
-                 rt->ccol = 0; cursor_line_down(rt);
-                 rt->curpos_dirty = true;
-                 break;
+        rt->ccol = 0;
+        cursor_line_down(rt);
+        rt->curpos_dirty = true;
+        break;
+
       case '\b': /* backspace */
-                 if (rt->ccol > 0) rt->ccol--;
-                 rt->curpos_dirty = true;
-                 break;
+        if (rt->ccol > 0)
+            rt->ccol--;
+        rt->curpos_dirty = true;
+        break;
+
       case '\t': /* tab */
-                 rt->ccol += 8 - (rt->ccol % 8);
-                 clamp_cursor_to_bounds(rt);
-                 break;
-      case '\x1B': /* begin escape sequence (aborting previous one if any) */
-                 new_escape_sequence(rt);
-                 break;
-      case '\x0E': /* enter graphical character mode */
-                 rt->pd->graphmode = true;
-                 break;
-      case '\x0F': /* exit graphical character mode */
-                 rt->pd->graphmode = false;
-                 break;
-      case '\x9B': /* CSI character. Equivalent to ESC [ */
-                 new_escape_sequence(rt);
-                 rt->pd->esbuf[rt->pd->esbuf_len++] = '[';
-                 break;
-      case '\x18': case '\x1A': /* these interrupt escape sequences */
-                 cancel_escape_sequence(rt);
-                 break;
+        rt->ccol = (rt->ccol + 8) & ~7;
+        clamp_cursor_to_bounds(rt);
+        break;
+
+      case '\x1b': /* begin escape sequence (aborting previous one if any) */
+        new_escape_sequence(rt);
+        break;
+
+      case '\x0e': /* enter graphical character mode */
+        rt->pd->graphmode = true;
+        break;
+
+      case '\x0f': /* exit graphical character mode */
+        rt->pd->graphmode = false;
+        break;
+
+      case '\x9b': /* CSI character. Equivalent to ESC [ */
+        new_escape_sequence(rt);
+        rt->pd->esbuf[rt->pd->esbuf_len++] = '[';
+        break;
+
+      case '\x18':
+      case '\x1a': /* these interrupt escape sequences */
+        cancel_escape_sequence(rt);
+        break;
+
       case '\a': /* bell */
-                 /* do nothing for now... maybe a visual bell would be nice? */
-                 break;
-#ifdef DEBUG
-      default:
-                 fprintf(stderr, "Unrecognized control char: %d (^%c)\n", c, c + '@');
-                 break;
-#endif
+        /* do nothing for now... maybe a visual bell would be nice? */
+        break;
     }
 }
 
-static inline bool is_valid_csi_ender(char c)
+static inline bool is_valid_csi_ender(int c)
 {
-    return (c >= 'a' && c <= 'z') ||
-        (c >= 'A' && c <= 'Z') ||
-        c == '@' || c == '`';
+    return (c >= 'a' && c <= 'z')
+        || (c >= 'A' && c <= 'Z')
+        || (c == '@' || c == '`');
 }
 
 static void try_interpret_escape_seq(RoteTerm *rt)
@@ -186,42 +221,8 @@ static void try_interpret_escape_seq(RoteTerm *rt)
     char firstchar = rt->pd->esbuf[0];
     char lastchar  = rt->pd->esbuf[rt->pd->esbuf_len-1];
 
-    if (!firstchar) return;  /* too early to do anything */
-
-    if (rt->pd->handler) {
-        /* call custom handler */
-#ifdef DEBUG
-        fprintf(stderr, "Calling custom handler for ES <%s>.\n", rt->pd->esbuf);
-#endif
-
-        int answer = (*(rt->pd->handler))(rt, rt->pd->esbuf);
-        if (answer == ROTE_HANDLERESULT_OK) {
-            /* successfully handled */
-#ifdef DEBUG
-            fprintf(stderr, "Handler returned OK. Done with escape sequence.\n");
-#endif
-
-            cancel_escape_sequence(rt);
-            return;
-        }
-        else if (answer == ROTE_HANDLERESULT_NOTYET) {
-            /* handler might handle it when more characters are appended to 
-             * it. So for now we don't interpret it */
-#ifdef DEBUG
-            fprintf(stderr, "Handler returned NOTYET. Waiting for more chars.\n");
-#endif
-
-            return;
-        }
-
-        /* If we got here then answer == ROTE_HANDLERESULT_NOWAY */
-        /* handler said it can't handle that escape sequence,
-         * but we can still try handling it ourselves, so 
-         * we proceed normally. */
-#ifdef DEBUG
-        fprintf(stderr, "Handler returned NOWAY. Trying our handlers.\n");
-#endif
-    }
+    if (!firstchar)
+        return;  /* too early to do anything */
 
     /* interpret ESC-M as reverse line-feed */
     if (firstchar == 'M') {
@@ -232,10 +233,6 @@ static void try_interpret_escape_seq(RoteTerm *rt)
 
     if (firstchar != '[' && firstchar != ']') {
         /* unrecognized escape sequence. Let's forget about it. */
-#ifdef DEBUG
-        fprintf(stderr, "Unrecognized ES: <%s>\n", rt->pd->esbuf);
-#endif
-
         cancel_escape_sequence(rt);
         return;
     }
@@ -244,28 +241,23 @@ static void try_interpret_escape_seq(RoteTerm *rt)
         /* we have a csi escape sequence: interpret it */
         rote_es_interpret_csi(rt);
         cancel_escape_sequence(rt);
-    }
-    else if (firstchar == ']' && lastchar == '\a') {
+    } else if (firstchar == ']' && lastchar == '\a') {
         /* we have an xterm escape sequence: interpret it */
 
         /* rote_es_interpret_xterm_es(rt);     -- TODO!*/
-#ifdef DEBUG
-        fprintf(stderr, "Ignored XTerm ES.\n");
-#endif
         cancel_escape_sequence(rt);
     }
 
     /* if the escape sequence took up all available space and could
      * not yet be parsed, abort it */
-    if (rt->pd->esbuf_len + 1 >= ESEQ_BUF_SIZE) cancel_escape_sequence(rt);
+    if (rt->pd->esbuf_len + 1 >= ESEQ_BUF_SIZE)
+        cancel_escape_sequence(rt);
 }
 
-void rote_vt_inject(RoteTerm *rt, const char *data, int len)
+int rote_vt_inject(RoteTerm *rt, const char *data, int len)
 {
-    int i;
-    for (i = 0; i < len; i++, data++) {
-        if (*data == 0) continue;  /* completely ignore NUL */
-        if (*data >= 1 && *data <= 31) {
+    for (; len-- > 0; data++) {
+        if ((unsigned char)*data <= 31) {
             handle_control_char(rt, *data);
             continue;
         }
@@ -276,11 +268,390 @@ void rote_vt_inject(RoteTerm *rt, const char *data, int len)
             rt->pd->esbuf[++rt->pd->esbuf_len] = 0;
 
             try_interpret_escape_seq(rt);
-        }
-        else if (rt->pd->graphmode)
+        } else
+        if (rt->pd->graphmode) {
             put_graphmode_char(rt, *data);
-        else
+        } else {
             put_normal_char(rt, *data);
+        }
+    }
+
+    return 0;
+}
+
+/****************************************************************************/
+/* CSI things                                                               */
+/****************************************************************************/
+
+/* interprets a 'set attribute' (SGR) CSI escape sequence */
+static void interpret_csi_SGR(RoteTerm *rt, int param[], int pcount)
+{
+    int i;
+
+    if (pcount == 0) {
+        /* special case: reset attributes */
+        rt->curattr = 0x70;
+        return;
+    }
+
+    for (i = 0; i < pcount; i++) {
+
+        // From http://vt100.net/docs/vt510-rm/SGR table 5-16
+        // 0 	All attributes off
+        // 1 	Bold
+        // 4 	Underline
+        // 5 	Blinking
+        // 7 	Negative image
+        // 8 	Invisible image
+        // 10 	The ASCII character set is the current 7-bit
+        //	display character set (default) - SCO Console only.
+        // 11 	Map Hex 00-7F of the PC character set codes
+        //	to the current 7-bit display character set
+        //	- SCO Console only.
+        // 12 	Map Hex 80-FF of the current character set to
+        //	the current 7-bit display character set - SCO
+        //	Console only.
+        // 22 	Bold off
+        // 24 	Underline off
+        // 25 	Blinking off
+        // 27 	Negative image off
+        // 28 	Invisible image off
+
+        if (param[i] == 0) rt->curattr = 0x70;
+        else if (param[i] == 1 || param[i] == 2 || param[i] == 4)  /* set bold */
+            ROTE_ATTR_MOD_BOLD(rt->curattr,1);
+        else if (param[i] == 5)  /* set blink */
+            ROTE_ATTR_MOD_BLINK(rt->curattr,1);
+        else if (param[i] == 7 || param[i] == 27) { /* reverse video */
+            int fg = ROTE_ATTR_FG(rt->curattr);
+            int bg = ROTE_ATTR_BG(rt->curattr);
+            ROTE_ATTR_MOD_FG(rt->curattr, bg);
+            ROTE_ATTR_MOD_BG(rt->curattr, fg);
+        }
+        else if (param[i] == 8) rt->curattr = 0x0;    /* invisible */
+        else if (param[i] == 22 || param[i] == 24) /* bold off */
+            ROTE_ATTR_MOD_BOLD(rt->curattr,0);
+        else if (param[i] == 25) /* blink off */
+            ROTE_ATTR_MOD_BLINK(rt->curattr,0);
+        else if (param[i] == 28) /* invisible off */
+            rt->curattr = 0x70;
+        else if (param[i] >= 30 && param[i] <= 37)    /* set fg */
+            ROTE_ATTR_MOD_FG(rt->curattr, param[i] - 30);
+        else if (param[i] >= 40 && param[i] <= 47)    /* set bg */
+            ROTE_ATTR_MOD_BG(rt->curattr, param[i] - 40);
+        else if (param[i] == 39)  /* reset foreground to default */
+            ROTE_ATTR_MOD_FG(rt->curattr, 7);
+        else if (param[i] == 49)  /* reset background to default */
+            ROTE_ATTR_MOD_BG(rt->curattr, 0);
+    }
+}
+
+/* interprets an 'erase display' (ED) escape sequence */
+static void interpret_csi_ED(RoteTerm *rt, int param[], int pcount)
+{
+    int r, c;
+    int start_row, start_col, end_row, end_col;
+
+    /* decide range */
+    if (pcount && param[0] == 2) {
+        start_row = 0;
+        start_col = 0;
+        end_row = rt->rows - 1;
+        end_col = rt->cols - 1;
+    } else
+    if (pcount && param[0] == 1) {
+        start_row = 0;
+        start_col = 0;
+        end_row = rt->crow;
+        end_col = rt->ccol;
+    } else {
+        start_row = rt->crow;
+        start_col = rt->ccol;
+        end_row = rt->rows - 1;
+        end_col = rt->cols - 1;
+    }
+
+    /* clean range */
+    for (r = start_row; r <= end_row; r++) {
+        rt->line_dirty[r] = true;
+
+        for (c = (r == start_row ? start_col : 0);
+             c <= (r == end_row ? end_col : rt->cols - 1);
+             c++)
+        {
+            rt->cells[r][c].ch   = 0x20;
+            rt->cells[r][c].attr = rt->curattr;
+        }
+    }
+}
+
+/* interprets a 'move cursor' (CUP) escape sequence */
+static void interpret_csi_CUP(RoteTerm *rt, int param[], int pcount)
+{
+    if (pcount == 0) {
+        /* special case */
+        rt->crow = rt->ccol = 0;
+        return;
+    } else
+    if (pcount < 2) {
+        return;  /* malformed */
+    }
+
+    rt->crow = param[0] - 1;  /* convert from 1-based to 0-based */
+    rt->ccol = param[1] - 1;  /* convert from 1-based to 0-based */
+
+    rt->curpos_dirty = true;
+
+    clamp_cursor_to_bounds(rt);
+}
+
+/* Interpret the 'relative mode' sequences: CUU, CUD, CUF, CUB, CNL,
+ * CPL, CHA, HPR, VPA, VPR, HPA */
+static void interpret_csi_C(RoteTerm *rt, char verb, int param[], int pcount)
+{
+    int n = (pcount && param[0] > 0) ? param[0] : 1;
+
+    switch (verb) {
+      case 'A':           rt->crow -= n; break;
+      case 'B': case 'e': rt->crow += n; break;
+      case 'C': case 'a': rt->ccol += n; break;
+      case 'D':           rt->ccol -= n; break;
+      case 'E':           rt->crow += n; rt->ccol = 0; break;
+      case 'F':           rt->crow -= n; rt->ccol = 0; break;
+      case 'G': case '`': rt->ccol  = param[0] - 1; break;
+      case 'd':           rt->crow  = param[0] - 1; break;
+    }
+
+    rt->curpos_dirty = true;
+    clamp_cursor_to_bounds(rt);
+}
+
+/* Interpret the 'erase line' escape sequence */
+static void interpret_csi_EL(RoteTerm *rt, int param[], int pcount)
+{
+    int erase_start, erase_end, i;
+    int cmd = pcount ? param[0] : 0;
+
+    switch (cmd) {
+      case 1:  erase_start = 0;        erase_end = rt->ccol;     break;
+      case 2:  erase_start = 0;        erase_end = rt->cols - 1; break;
+      default: erase_start = rt->ccol; erase_end = rt->cols - 1; break;
+    }
+
+    for (i = erase_start; i <= erase_end; i++) {
+        rt->cells[rt->crow][i].ch   = 0x20;
+        rt->cells[rt->crow][i].attr = rt->curattr;
+    }
+
+    rt->line_dirty[rt->crow] = true;
+}
+
+/* Interpret the 'insert blanks' sequence (ICH) */
+static void interpret_csi_ICH(RoteTerm *rt, int param[], int pcount)
+{
+    int n = (pcount && param[0] > 0) ? param[0] : 1;
+    int i;
+
+    for (i = rt->cols - 1; i >= rt->ccol + n; i--) {
+        rt->cells[rt->crow][i] = rt->cells[rt->crow][i - n];
+    }
+
+    for (i = rt->ccol; i < rt->ccol + n; i++) {
+        rt->cells[rt->crow][i].ch   = 0x20;
+        rt->cells[rt->crow][i].attr = rt->curattr;
+    }
+
+    rt->line_dirty[rt->crow] = true;
+}
+
+/* Interpret the 'delete chars' sequence (DCH) */
+static void interpret_csi_DCH(RoteTerm *rt, int param[], int pcount)
+{
+    int n = (pcount && param[0] > 0) ? param[0] : 1;
+    int i;
+
+    for (i = rt->ccol; i < rt->cols; i++) {
+        if (i + n < rt->cols) {
+            rt->cells[rt->crow][i] = rt->cells[rt->crow][i + n];
+        } else {
+            rt->cells[rt->crow][i].ch   = 0x20;
+            rt->cells[rt->crow][i].attr = rt->curattr;
+        }
+    }
+
+    rt->line_dirty[rt->crow] = true;
+}
+
+/* Interpret an 'insert line' sequence (IL) */
+static void interpret_csi_IL(RoteTerm *rt, int param[], int pcount)
+{
+    int n = (pcount && param[0] > 0) ? param[0] : 1;
+    int i, j;
+
+    for (i = rt->pd->scrollbottom; i >= rt->crow + n; i--) {
+        memcpy(rt->cells[i], rt->cells[i - n], sizeof(RoteCell) * rt->cols);
+    }
+
+    for (i = rt->crow; i < rt->crow + n && i <= rt->pd->scrollbottom; i++) {
+        rt->line_dirty[i] = true;
+        for (j = 0; j < rt->cols; j++) {
+            rt->cells[i][j].ch   = 0x20;
+            rt->cells[i][j].attr = rt->curattr;
+        }
+    }
+
+}
+
+/* Interpret a 'delete line' sequence (DL) */
+static void interpret_csi_DL(RoteTerm *rt, int param[], int pcount)
+{
+    int n = (pcount && param[0] > 0) ? param[0] : 1;
+    int i, j;
+
+    for (i = rt->crow; i <= rt->pd->scrollbottom; i++) {
+        rt->line_dirty[i] = true;
+        if (i + n <= rt->pd->scrollbottom) {
+            memcpy(rt->cells[i], rt->cells[i+n], sizeof(RoteCell) * rt->cols);
+        } else {
+            for (j = 0; j < rt->cols; j++) {
+                rt->cells[i][j].ch   = 0x20;
+                rt->cells[i][j].attr = rt->curattr;
+            }
+        }
+    }
+}
+
+/* Interpret an 'erase characters' (ECH) sequence */
+static void interpret_csi_ECH(RoteTerm *rt, int param[], int pcount)
+{
+    int n = (pcount && param[0] > 0) ? param[0] : 1;
+    int i;
+
+    for (i = rt->ccol; i < rt->ccol + n && i < rt->cols; i++) {
+        rt->cells[rt->crow][i].ch   = 0x20;
+        rt->cells[rt->crow][i].attr = rt->curattr;
+    }
+
+    rt->line_dirty[rt->crow] = true;
+}
+
+/* Interpret a 'set scrolling region' (DECSTBM) sequence */
+static void interpret_csi_DECSTBM(RoteTerm *rt, int param[], int pcount)
+{
+    int newtop, newbottom;
+
+    if (!pcount) {
+        newtop = 0;
+        newbottom = rt->rows - 1;
+    } else
+    if (pcount < 2) {
+        return; /* malformed */
+    }
+
+    newtop = param[0] - 1;
+    newbottom = param[1] - 1;
+
+    /* clamp to bounds */
+    if (newtop < 0)
+        newtop = 0;
+    if (newtop >= rt->rows)
+        newtop = rt->rows - 1;
+    if (newbottom < 0)
+        newbottom = 0;
+    if (newbottom >= rt->rows)
+        newbottom = rt->rows - 1;
+
+    /* check for range validity */
+    if (newtop > newbottom)
+        return;
+    rt->pd->scrolltop = newtop;
+    rt->pd->scrollbottom = newbottom;
+}
+
+static void 
+interpret_csi_SAVECUR(RoteTerm *rt,
+                      int param[] __attribute__((unused)),
+                      int pcount __attribute__((unused)))
+{
+    rt->pd->saved_x = rt->ccol;
+    rt->pd->saved_y = rt->crow;
+}
+
+static void
+interpret_csi_RESTORECUR(RoteTerm *rt,
+                         int param[] __attribute__((unused)),
+                         int pcount __attribute__((unused)))
+{
+    rt->ccol = rt->pd->saved_x;
+    rt->crow = rt->pd->saved_y;
+    rt->curpos_dirty = true;
+}
+
+void rote_es_interpret_csi(RoteTerm *rt)
+{
+    static int csiparam[MAX_CSI_ES_PARAMS];
+    int param_count = 0;
+    const char *p = rt->pd->esbuf + 1;
+    char verb = rt->pd->esbuf[rt->pd->esbuf_len - 1];
+
+    if (!strncmp(rt->pd->esbuf, "[?", 2)) { /* private-mode CSI, ignore */
+        return;
+    }
+
+    /* parse numeric parameters */
+    while (isdigit((unsigned char)*p) || *p == ';') {
+        if (*p == ';') {
+            if (param_count >= MAX_CSI_ES_PARAMS) return; /* too long! */
+            csiparam[param_count++] = 0;
+        } else {
+            if (param_count == 0) csiparam[param_count++] = 0;
+            csiparam[param_count - 1] *= 10;
+            csiparam[param_count - 1] += *p - '0';
+        }
+
+        p++;
+    }
+
+    /* delegate handling depending on command character (verb) */
+    switch (verb) {
+      case 'h':
+        if (param_count == 1 && csiparam[0] == 4) /* insert mode */
+            rt->insert = true;
+        break;
+      case 'l':
+        if (param_count == 1 && csiparam[0] == 4) /* replace mode */
+            rt->insert = false;
+        break;
+      case 'm': /* it's a 'set attribute' sequence */
+        interpret_csi_SGR(rt, csiparam, param_count); break;
+      case 'J': /* it's an 'erase display' sequence */
+        interpret_csi_ED(rt, csiparam, param_count); break;
+      case 'H': case 'f': /* it's a 'move cursor' sequence */
+        interpret_csi_CUP(rt, csiparam, param_count); break;
+      case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
+      case 'e': case 'a': case 'd': case '`':
+        /* it is a 'relative move' */
+        interpret_csi_C(rt, verb, csiparam, param_count); break;
+      case 'K': /* erase line */
+        interpret_csi_EL(rt, csiparam, param_count); break;
+      case '@': /* insert characters */
+        interpret_csi_ICH(rt, csiparam, param_count); break;
+      case 'P': /* delete characters */
+        interpret_csi_DCH(rt, csiparam, param_count); break;
+      case 'L': /* insert lines */
+        interpret_csi_IL(rt, csiparam, param_count); break;
+      case 'M': /* delete lines */
+        interpret_csi_DL(rt, csiparam, param_count); break;
+      case 'X': /* erase chars */
+        interpret_csi_ECH(rt, csiparam, param_count); break;
+      case 'r': /* set scrolling region */
+        interpret_csi_DECSTBM(rt, csiparam, param_count); break;
+      case 's': /* save cursor location */
+        interpret_csi_SAVECUR(rt, csiparam, param_count); break;
+      case 'u': /* restore cursor location */
+        interpret_csi_RESTORECUR(rt, csiparam, param_count); break;
+      default:
+        break;
     }
 }