[vte] parser: charset: Add a DEC private OCS

[Christian Persch <chpe src gnome org>]

commit da28e9007b2ad10ef9d200a999997fc228ea88b9
Author: Christian Persch <chpe src gnome org>
Date:   Sun Oct 28 19:44:28 2018 +0100

    parser: charset: Add a DEC private OCS

 src/parser-charset-tables.hh | 12 ++++++++++--
 src/parser-charset.hh        |  1 +
 src/parser-test.cc           | 16 +++++++++++-----
 src/parser.cc                | 18 ++++++++++++++----
 4 files changed, 36 insertions(+), 11 deletions(-)
---
diff --git a/src/parser-charset-tables.hh b/src/parser-charset-tables.hh
index 48762464..07088750 100644
--- a/src/parser-charset-tables.hh
+++ b/src/parser-charset-tables.hh
@@ -207,7 +207,7 @@ static uint8_t const charset_control_single[] = {
 /* Non-ISO-2022 coding systems, with standard return:
  * ESC 2/5 F
  */
-static uint8_t const charset_ocs_with_return[] = {
+static uint8_t const charset_ocs[] = {
         /* 3/0..3/15 */
         NA, NA, NA, NA, NA, NA, NA, NA,
         NA, NA, NA, NA, NA, DEC(IBM_PROPRINTER), NA, NA,
@@ -216,10 +216,18 @@ static uint8_t const charset_ocs_with_return[] = {
         IR(188)
 };
 
+/* Non-ISO-2022 coding systems, with standard return:
+ * ESC 2/5 SP F
+ */
+static uint8_t const charset_ocs_with_2_0[] = {
+        /* 03/00 */
+        DEC(BARCODE)
+};
+
 /* Non-ISO-2022 coding systems, without standard return:
  * ESC 2/5 2/15 F
  */
-static uint8_t const charset_ocs_without_return[] = {
+static uint8_t const charset_ocs_with_2_15[] = {
         /* 4/0..4/12 */
         IR(162), IR(163), IR(125), IR(174), IR(175), IR(176), IR(177), IR(190),
         IR(191), IR(192), IR(193), IR(194), IR(195)
diff --git a/src/parser-charset.hh b/src/parser-charset.hh
index 2605f327..18e6ddaf 100644
--- a/src/parser-charset.hh
+++ b/src/parser-charset.hh
@@ -298,6 +298,7 @@ ALIAS(SUPPLEMENTAL_NAME(LATIN_CYRILLIC), IR_NAME(144))
 /* Other coding systems */
 
 DEC(IBM_PROPRINTER) /* DEC PPLV2; ESC 2/5 3/13 */
+DEC(BARCODE) /* DEC PPLV2; ESC 2/5 2/0 3/0 */
 
 #undef IR_NAME
 #undef DEC_NAME
diff --git a/src/parser-test.cc b/src/parser-test.cc
index d5339bb1..c7522546 100644
--- a/src/parser-test.cc
+++ b/src/parser-test.cc
@@ -573,17 +573,23 @@ test_seq_esc_charset_other(void)
 {
         uint32_t i[4];
 
-        /* Other coding systems: ESC 2/5 F or ESC 2/5 2/15 F */
+        /* Other coding systems: ESC 2/5 F or ESC 2/5 I F */
         i[0] = 0x25;
         test_seq_esc_charset(i, 1,
-                             charset_ocs_with_return,
-                             G_N_ELEMENTS(charset_ocs_with_return),
+                             charset_ocs,
+                             G_N_ELEMENTS(charset_ocs),
+                             0x30, VTE_CMD_DOCS, VTE_CHARSET_NONE, 0);
+
+        i[1] = 0x20;
+        test_seq_esc_charset(i, 2,
+                             charset_ocs_with_2_0,
+                             G_N_ELEMENTS(charset_ocs_with_2_0),
                              0x30, VTE_CMD_DOCS, VTE_CHARSET_NONE, 0);
 
         i[1] = 0x2f;
         test_seq_esc_charset(i, 2,
-                             charset_ocs_without_return,
-                             G_N_ELEMENTS(charset_ocs_without_return),
+                             charset_ocs_with_2_15,
+                             G_N_ELEMENTS(charset_ocs_with_2_15),
                              0x40, VTE_CMD_DOCS, VTE_CHARSET_NONE, 0);
 }
 
diff --git a/src/parser.cc b/src/parser.cc
index 340ba15d..4c3bf2f7 100644
--- a/src/parser.cc
+++ b/src/parser.cc
@@ -253,14 +253,24 @@ static unsigned int vte_parse_charset_ocs(uint32_t raw,
         switch (VTE_SEQ_INTERMEDIATE(intermediates)) {
         case VTE_SEQ_INTERMEDIATE_NONE:  /* OCS with standard return */
                 if (remaining_intermediates == 0 &&
-                    raw >= 0x30 && raw < (0x30 + G_N_ELEMENTS(charset_ocs_with_return)))
-                        return charset_ocs_with_return[raw - 0x30];
+                    raw >= 0x30 && raw < (0x30 + G_N_ELEMENTS(charset_ocs)))
+                        return charset_ocs[raw - 0x30];
+                break;
+
+        case VTE_SEQ_INTERMEDIATE_SPACE: /* OCS with standard return */
+                if (remaining_intermediates == 0 &&
+                    raw >= 0x30 && raw < (0x30 + G_N_ELEMENTS(charset_ocs_with_2_0)))
+                        return charset_ocs_with_2_0[raw - 0x30];
+                /* Or should this return VTE_CHARSET_DRCS; ? */
+                break;
+
+        case VTE_SEQ_INTERMEDIATE_BANG ... VTE_SEQ_INTERMEDIATE_DOT: /* OCS with standard return */
                 break;
 
         case VTE_SEQ_INTERMEDIATE_SLASH: /* OCS without standard return */
                 if (remaining_intermediates == 0 &&
-                    raw >= 0x40 && raw < (0x40 + G_N_ELEMENTS(charset_ocs_without_return)))
-                        return charset_ocs_without_return[raw - 0x40];
+                    raw >= 0x40 && raw < (0x40 + G_N_ELEMENTS(charset_ocs_with_2_15)))
+                        return charset_ocs_with_2_15[raw - 0x40];
                 break;
         }