Diff: core/mscore.c

Revision:

0:ff53d8f5146a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/mscore.c	Thu Oct 19 07:39:57 2017 +0000
@@ -0,0 +1,193 @@
+/**
+ * @file      mscore.c
+ * @author    Shinichiro Nakamura (CuBeatSystems)
+ * ===============================================================
+ * MicroShell (Version 0.0.2)
+ * Copyright (c) 2016, 2017 Shinichiro Nakamura (CuBeatSystems)
+ * ===============================================================
+ * The MIT License : https://opensource.org/licenses/MIT
+ *
+ * Copyright (c) 2016, 2017 Shinichiro Nakamura (CuBeatSystems)
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "mscore.h"
+#include "msconf.h"
+
+typedef char * MSCORE_STREAM;
+
+typedef struct {
+    MSCORE_STREAM stream;
+    MSCORE_ACTION action;
+} MSCORE_KEYMAP;
+
+static const MSCORE_KEYMAP kmlist[] = {
+#if MSCONF_KEYMAP_SWAP_BS_DEL
+    {   "\x7f",                 MSCORE_ACTION_BS            },
+    {   "\x1b\x5b\x33\x7e",     MSCORE_ACTION_DEL           },
+#else
+    {   "\x08",                 MSCORE_ACTION_BS            },
+    {   "\x7f",                 MSCORE_ACTION_DEL           },
+#endif
+    {   "\x09",                 MSCORE_ACTION_TAB           },
+    {   "\x1b\x5b\x32\x7e",     MSCORE_ACTION_INSERT        },
+    {   "\x0d",                 MSCORE_ACTION_ENTER         },
+#if MSCONF_KEYMAP_USE_CTRL
+    {   "\x01",                 MSCORE_ACTION_CTRL_A        },
+    {   "\x02",                 MSCORE_ACTION_CTRL_B        },
+    {   "\x03",                 MSCORE_ACTION_CTRL_C        },
+    {   "\x04",                 MSCORE_ACTION_CTRL_D        },
+    {   "\x05",                 MSCORE_ACTION_CTRL_E        },
+    {   "\x06",                 MSCORE_ACTION_CTRL_F        },
+    {   "\x07",                 MSCORE_ACTION_CTRL_G        },
+    {   "\x08",                 MSCORE_ACTION_CTRL_H        },
+    {   "\x09",                 MSCORE_ACTION_CTRL_I        },
+    {   "\x0a",                 MSCORE_ACTION_CTRL_J        },
+    {   "\x0b",                 MSCORE_ACTION_CTRL_K        },
+    {   "\x0c",                 MSCORE_ACTION_CTRL_L        },
+    {   "\x0d",                 MSCORE_ACTION_CTRL_M        },
+    {   "\x0e",                 MSCORE_ACTION_CTRL_N        },
+    {   "\x0f",                 MSCORE_ACTION_CTRL_O        },
+    {   "\x10",                 MSCORE_ACTION_CTRL_P        },
+    {   "\x11",                 MSCORE_ACTION_CTRL_Q        },
+    {   "\x12",                 MSCORE_ACTION_CTRL_R        },
+    {   "\x13",                 MSCORE_ACTION_CTRL_S        },
+    {   "\x14",                 MSCORE_ACTION_CTRL_T        },
+    {   "\x15",                 MSCORE_ACTION_CTRL_U        },
+    {   "\x16",                 MSCORE_ACTION_CTRL_V        },
+    {   "\x17",                 MSCORE_ACTION_CTRL_W        },
+    {   "\x18",                 MSCORE_ACTION_CTRL_X        },
+    {   "\x19",                 MSCORE_ACTION_CTRL_Y        },
+    {   "\x1a",                 MSCORE_ACTION_CTRL_Z        },
+#endif
+#if MSCONF_KEYMAP_USE_FUNCTION
+    {   "\x1b\x5b\x31\x31\x7e", MSCORE_ACTION_F1            },
+    {   "\x1b\x5b\x31\x32\x7e", MSCORE_ACTION_F2            },
+    {   "\x1b\x5b\x31\x33\x7e", MSCORE_ACTION_F3            },
+    {   "\x1b\x5b\x31\x34\x7e", MSCORE_ACTION_F4            },
+    {   "\x1b\x5b\x31\x35\x7e", MSCORE_ACTION_F5            },
+    {   "\x1b\x5b\x31\x37\x7e", MSCORE_ACTION_F6            },
+    {   "\x1b\x5b\x31\x38\x7e", MSCORE_ACTION_F7            },
+    {   "\x1b\x5b\x31\x39\x7e", MSCORE_ACTION_F8            },
+    {   "\x1b\x5b\x32\x30\x7e", MSCORE_ACTION_F9            },
+    {   "\x1b\x5b\x32\x31\x7e", MSCORE_ACTION_F10           },
+    {   "\x1b\x5b\x32\x32\x7e", MSCORE_ACTION_F11           },
+    {   "\x1b\x5b\x32\x33\x7e", MSCORE_ACTION_F12           },
+    {   "\x1b\x4f\x50",         MSCORE_ACTION_F1            },
+    {   "\x1b\x4f\x51",         MSCORE_ACTION_F2            },
+    {   "\x1b\x4f\x52",         MSCORE_ACTION_F3            },
+    {   "\x1b\x4f\x53",         MSCORE_ACTION_F4            },
+    {   "\x1b\x5b\x31\x35\x7e", MSCORE_ACTION_F5            },
+    {   "\x1b\x5b\x31\x37\x7e", MSCORE_ACTION_F6            },
+    {   "\x1b\x5b\x31\x38\x7e", MSCORE_ACTION_F7            },
+    {   "\x1b\x5b\x31\x39\x7e", MSCORE_ACTION_F8            },
+    {   "\x1b\x5b\x32\x31\x7e", MSCORE_ACTION_F9            },
+    {   "\x1b\x5b\x32\x32\x7e", MSCORE_ACTION_F10           },
+    {   "\x1b\x5b\x32\x33\x7e", MSCORE_ACTION_F11           },
+    {   "\x1b\x5b\x32\x34\x7e", MSCORE_ACTION_F12           },
+#endif
+#if MSCONF_KEYMAP_USE_ARROW
+    {   "\x1b\x5b\x41",         MSCORE_ACTION_ARROW_UP      },
+    {   "\x1b\x5b\x42",         MSCORE_ACTION_ARROW_DOWN    },
+    {   "\x1b\x5b\x43",         MSCORE_ACTION_ARROW_RIGHT   },
+    {   "\x1b\x5b\x44",         MSCORE_ACTION_ARROW_LEFT    },
+#endif
+#if MSCONF_KEYMAP_USE_HOME_END
+    {   "\x1b\x4f\x48",         MSCORE_ACTION_HOME          },
+    {   "\x1b\x4f\x46",         MSCORE_ACTION_END           },
+    {   "\x1b[1~",              MSCORE_ACTION_HOME          },
+    {   "\x1b[4~",              MSCORE_ACTION_END           },
+#endif
+#if MSCONF_KEYMAP_USE_PAGE
+    {   "\x1b\x5b\x35\x7e",     MSCORE_ACTION_PAGE_UP       },
+    {   "\x1b\x5b\x36\x7e",     MSCORE_ACTION_PAGE_DOWN     },
+#endif
+};
+
+static int buf_length(char *buf)
+{
+    int n = 0;
+    while (*buf++) {
+        n++;
+    }
+    return n;
+}
+
+static int buf_match(char *a, char *b, int n)
+{
+    int i;
+    for (i = 0; i < n; i++) {
+        if (*a++ != *b++) {
+            return 0;
+        }
+    }
+    return 1;
+}
+
+static int buf_clear(char *buf, int n)
+{
+    int i;
+    for (i = 0; i < n; i++) {
+        buf[i] = 0;
+    }
+    return 1;
+}
+
+void mscore_init(MSCORE *handle)
+{
+    buf_clear(handle->keybuf, MSCORE_BUFFER_SIZE);
+    handle->keycnt = 0;
+}
+
+MSCORE_ACTION mscore_push(MSCORE *handle, char c)
+{
+    int match = 0;
+    handle->keybuf[handle->keycnt++] = c;
+    const MSCORE_KEYMAP *p = &kmlist[0];
+    const int N = sizeof(kmlist) / sizeof(kmlist[0]);
+    int i;
+    for (i = 0; i < N; i++) {
+        if (handle->keycnt == buf_length(p->stream))  {
+            if (buf_match(p->stream, handle->keybuf, handle->keycnt)) {
+                handle->keycnt = 0;
+                buf_clear(handle->keybuf, MSCORE_BUFFER_SIZE);
+                return p->action;
+            }
+        } else {
+            if (buf_match(p->stream, handle->keybuf, handle->keycnt)) {
+                match = 1;
+                break;
+            }
+        }
+        p++;
+    }
+    if (!match) {
+        handle->keycnt = 0;
+        buf_clear(handle->keybuf, MSCORE_BUFFER_SIZE);
+        if ((' ' <= c) && (c <= '~')) {
+            return MSCORE_ACTION_DISPLAYABLE;
+        }
+    }
+    return MSCORE_ACTION_IGNORE;
+}
+