diff options
Diffstat (limited to '')
| -rw-r--r-- | edit.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/edit.c b/edit.c index bb92edf..0a409a4 100644 --- a/edit.c +++ b/edit.c @@ -193,6 +193,39 @@ int editInsert(struct Edit *e, wchar_t ch) { return 0; } +enum { + Esc = L'\33', +}; + +static int editViInsert(struct Edit *e, wchar_t ch) { + switch (ch) { + break; case Esc: { + e->vi.mode = EditViCommand; + return 0; + } + default: return editInsert(e, ch); + } +} + +static int editViCommand(struct Edit *e, wchar_t ch) { + switch (ch) { + break; case L'i': e->vi.mode = EditViInsert; + } + return 0; +} + +int editVi(struct Edit *e, wchar_t ch) { + int error; + switch (e->vi.mode) { + break; case EditViInsert: error = editViInsert(e, ch); + break; case EditViCommand: error = editViCommand(e, ch); + } + if (e->vi.mode == EditViCommand && e->pos == e->len && e->pos) { + e->pos--; + } + return error; +} + #ifdef TEST #undef NDEBUG #include <assert.h> @@ -291,6 +324,16 @@ int main(void) { fix(&e, " foo bar "); editFn(&e, EditCollapse); assert(eq(&e, "foo bar\0")); + + fix(&e, "foo"); + assert(e.vi.mode == EditViInsert); + editVi(&e, Esc); + assert(e.vi.mode == EditViCommand); + assert(eq(&e, "fo\0o")); + editVi(&e, L'i'); + assert(e.vi.mode == EditViInsert); + editVi(&e, L'b'); + assert(eq(&e, "fob\0o")); } #endif /* TEST */ |