mirror of
https://github.com/tmate-io/tmate.git
synced 2024-11-23 08:33:17 +01:00
Lose intermediate handling (unused). Change argument parsing to work properly over multiple buffers by saving a copy of the argument (we can't just save off/len since the buffer may vanish at any point).
This commit is contained in:
Nicholas Marriott
parent
653ee721df
commit
1e316cfc7c
111
input.c
111
input.c
@ -1,4 +1,4 @@
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/* $Id: input.c,v 1.10 2007-09-29 10:57:39 nicm Exp $ */
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/* $Id: input.c,v 1.11 2007-09-29 14:25:49 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -45,6 +45,8 @@ struct {
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enum input_class input_lookup_class(u_char);
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int input_get_argument(struct input_ctx *, u_int, uint16_t *, uint16_t);
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int input_new_argument(struct input_ctx *);
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int input_add_argument(struct input_ctx *, u_char ch);
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void *input_state_first(u_char, enum input_class, struct input_ctx *);
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void *input_state_escape(u_char, enum input_class, struct input_ctx *);
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@ -101,11 +103,39 @@ input_lookup_class(u_char ch)
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return (iclass);
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}
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int
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input_new_argument(struct input_ctx *ictx)
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{
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struct input_arg *arg;
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ARRAY_EXPAND(&ictx->args, 1);
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arg = &ARRAY_LAST(&ictx->args);
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arg->used = 0;
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return (0);
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}
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int
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input_add_argument(struct input_ctx *ictx, u_char ch)
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{
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struct input_arg *arg;
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if (ARRAY_LENGTH(&ictx->args) == 0)
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return (0);
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arg = &ARRAY_LAST(&ictx->args);
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if (arg->used > (sizeof arg->data) - 1)
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return (-1);
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arg->data[arg->used++] = ch;
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return (0);
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}
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int
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input_get_argument(struct input_ctx *ictx, u_int i, uint16_t *n, uint16_t d)
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{
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struct input_arg *arg;
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char tmp[64];
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const char *errstr;
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*n = d;
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@ -113,15 +143,10 @@ input_get_argument(struct input_ctx *ictx, u_int i, uint16_t *n, uint16_t d)
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return (0);
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arg = &ARRAY_ITEM(&ictx->args, i);
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if (arg->len == 0)
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if (*arg->data == '\0')
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return (0);
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if (arg->len > sizeof tmp - 1)
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return (-1);
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memcpy(tmp, ictx->buf + arg->off, arg->len);
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tmp[arg->len] = '\0';
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*n = strtonum(tmp, 0, UINT16_MAX, &errstr);
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*n = strtonum(arg->data, 0, UINT16_MAX, &errstr);
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if (errstr != NULL)
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return (-1);
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return (0);
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@ -132,9 +157,6 @@ input_init(struct input_ctx *ictx, struct screen *s)
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{
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ictx->s = s;
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ictx->intoff = 0;
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ictx->intlen = 0;
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ARRAY_INIT(&ictx->args);
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ictx->state = input_state_first;
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@ -225,8 +247,6 @@ input_state_escape(u_char ch, enum input_class iclass, struct input_ctx *ictx)
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return (input_state_escape);
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case INPUT_SPACE:
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case INPUT_INTERMEDIATE:
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ictx->intoff = ictx->off;
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ictx->intlen = 1;
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return (input_state_intermediate);
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case INPUT_PARAMETER:
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input_handle_private_two(ch, ictx);
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@ -255,7 +275,6 @@ input_state_intermediate(
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switch (iclass) {
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case INPUT_SPACE:
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case INPUT_INTERMEDIATE:
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ictx->intlen++;
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return (input_state_intermediate);
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case INPUT_PARAMETER:
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input_handle_private_two(ch, ictx);
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@ -279,31 +298,30 @@ input_state_sequence_first(
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u_char ch, enum input_class iclass, struct input_ctx *ictx)
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{
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ictx->private = '\0';
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ARRAY_CLEAR(&ictx->args);
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switch (iclass) {
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case INPUT_PARAMETER:
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if (ch >= 0x3c && ch <= 0x3f) {
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/* Private control sequence. */
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ictx->private = ch;
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ictx->saved = ictx->off;
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return (input_state_sequence_next);
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}
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input_new_argument(ictx);
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break;
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case INPUT_C0CONTROL:
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case INPUT_C1CONTROL:
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case INPUT_SPACE:
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case INPUT_INTERMEDIATE:
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case INPUT_UPPERCASE:
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case INPUT_LOWERCASE:
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case INPUT_C0CONTROL:
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case INPUT_C1CONTROL:
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case INPUT_DELETE:
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case INPUT_G1DISPLAYABLE:
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case INPUT_SPECIAL:
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break;
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}
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/* Pass this character to next state directly. */
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ictx->saved = ictx->off - 1;
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/* Pass character on directly. */
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return (input_state_sequence_next(ch, iclass, ictx));
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}
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@ -311,39 +329,26 @@ void *
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input_state_sequence_next(
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u_char ch, enum input_class iclass, struct input_ctx *ictx)
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{
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struct input_arg *iarg;
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switch (iclass) {
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case INPUT_SPACE:
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case INPUT_INTERMEDIATE:
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if (ictx->saved != ictx->off) {
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ARRAY_EXPAND(&ictx->args, 1);
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iarg = &ARRAY_LAST(&ictx->args);
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iarg->off = ictx->saved;
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iarg->len = ictx->off - ictx->saved - 1;
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}
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ictx->intoff = ictx->off;
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ictx->intlen = 1;
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if (input_add_argument(ictx, '\0') != 0)
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break;
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return (input_state_sequence_intermediate);
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case INPUT_PARAMETER:
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if (ch == ';') {
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ARRAY_EXPAND(&ictx->args, 1);
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iarg = &ARRAY_LAST(&ictx->args);
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iarg->off = ictx->saved;
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iarg->len = ictx->off - ictx->saved - 1;
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ictx->saved = ictx->off;
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if (input_add_argument(ictx, '\0') != 0)
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break;
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input_new_argument(ictx);
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return (input_state_sequence_next);
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}
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if (input_add_argument(ictx, ch) != 0)
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break;
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return (input_state_sequence_next);
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case INPUT_UPPERCASE:
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case INPUT_LOWERCASE:
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if (ictx->saved != ictx->off) {
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ARRAY_EXPAND(&ictx->args, 1);
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iarg = &ARRAY_LAST(&ictx->args);
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iarg->off = ictx->saved;
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iarg->len = ictx->off - ictx->saved - 1;
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}
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if (input_add_argument(ictx, '\0') != 0)
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break;
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input_handle_sequence(ch, ictx);
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break;
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case INPUT_C0CONTROL:
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@ -363,7 +368,6 @@ input_state_sequence_intermediate(
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switch (iclass) {
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case INPUT_SPACE:
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case INPUT_INTERMEDIATE:
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ictx->intlen++;
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return (input_state_sequence_intermediate);
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case INPUT_UPPERCASE:
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case INPUT_LOWERCASE:
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@ -437,8 +441,7 @@ input_handle_c1_control(u_char ch, struct input_ctx *ictx)
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void
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input_handle_private_two(u_char ch, struct input_ctx *ictx)
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{
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log_debug2("-- p2 %zu: %hhu (%c) (%zu, %zu)",
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ictx->off, ch, ch, ictx->intoff, ictx->intlen);
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log_debug2("-- p2 %zu: %hhu (%c)", ictx->off, ch, ch);
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switch (ch) {
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case '=': /* DECKPAM */
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@ -456,8 +459,7 @@ input_handle_private_two(u_char ch, struct input_ctx *ictx)
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void
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input_handle_standard_two(u_char ch, struct input_ctx *ictx)
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{
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log_debug2("-- s2 %zu: %hhu (%c) (%zu,%zu)",
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ictx->off, ch, ch, ictx->intoff, ictx->intlen);
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log_debug2("-- s2 %zu: %hhu (%c)", ictx->off, ch, ch);
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log_debug("unknown s2: %hhu", ch);
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}
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@ -491,26 +493,21 @@ input_handle_sequence(u_char ch, struct input_ctx *ictx)
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u_int i;
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struct input_arg *iarg;
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log_debug2("-- sq %zu: %hhu (%c) (%zu,%zu): %u",
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ictx->off, ch, ch, ictx->intoff, ictx->intlen,
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ARRAY_LENGTH(&ictx->args));
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log_debug2("-- sq "
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"%zu: %hhu (%c): %u", ictx->off, ch, ch, ARRAY_LENGTH(&ictx->args));
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for (i = 0; i < ARRAY_LENGTH(&ictx->args); i++) {
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iarg = &ARRAY_ITEM(&ictx->args, i);
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if (iarg->len > 0) {
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log_debug2(" ++ %u: (%zu) %.*s", i,
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iarg->len, (int) iarg->len, ictx->buf + iarg->off);
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}
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if (*iarg->data != '\0')
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log_debug2(" ++ %u: %s", i, iarg->data);
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}
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/* XXX bsearch? */
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for (i = 0; i < (sizeof table / sizeof table[0]); i++) {
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if (table[i].ch == ch) {
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table[i].fn(ictx);
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ARRAY_CLEAR(&ictx->args);
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return;
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}
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}
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ARRAY_CLEAR(&ictx->args);
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log_debug("unknown sq: %c (%hhu %hhu)", ch, ch, ictx->private);
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}
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4
local.c
4
local.c
@ -1,4 +1,4 @@
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/* $Id: local.c,v 1.10 2007-09-29 10:57:39 nicm Exp $ */
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/* $Id: local.c,v 1.11 2007-09-29 14:25:49 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -310,11 +310,13 @@ local_putc(int c)
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if (c < 0 || c > (int) UCHAR_MAX)
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fatalx("invalid character");
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/* XXX
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if (debug_level > 2) {
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f = fopen("tmux-out.log", "a+");
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fprintf(f, "%c", ch);
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fclose(f);
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}
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*/
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buffer_write(local_out, &ch, 1);
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return (c);
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11
tmux.h
11
tmux.h
@ -1,4 +1,4 @@
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/* $Id: tmux.h,v 1.25 2007-09-29 13:22:15 nicm Exp $ */
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/* $Id: tmux.h,v 1.26 2007-09-29 14:25:49 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -399,8 +399,8 @@ struct screen {
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/* Input parser sequence argument. */
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struct input_arg {
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size_t off;
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size_t len;
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u_char data[64];
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size_t used;
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};
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/* Input character classes. */
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@ -431,10 +431,6 @@ struct input_ctx {
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void *(*state)(u_char, enum input_class, struct input_ctx *);
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size_t intoff;
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size_t intlen;
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size_t saved;
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u_char private;
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ARRAY_DECL(, struct input_arg) args;
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};
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@ -663,6 +659,7 @@ __dead void log_fatalx(const char *, ...);
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/* xmalloc.c */
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void *ensure_size(void *, size_t *, size_t, size_t);
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void *ensure_for(void *, size_t *, size_t, size_t);
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char *xmemstrdup(const char *, size_t);
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char *xstrdup(const char *);
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void *xcalloc(size_t, size_t);
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void *xmalloc(size_t);
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10
window.c
10
window.c
@ -1,4 +1,4 @@
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/* $Id: window.c,v 1.13 2007-09-29 09:15:49 nicm Exp $ */
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/* $Id: window.c,v 1.14 2007-09-29 14:25:49 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -314,9 +314,17 @@ window_input(struct window *w, struct buffer *b, size_t size)
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void
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window_output(struct window *w, struct buffer *b)
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{
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FILE *f;
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if (BUFFER_USED(w->in) == 0)
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return;
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if (debug_level > 2) {
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f = fopen("tmux-in.log", "a+");
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fwrite(BUFFER_OUT(w->in), BUFFER_USED(w->in), 1, f);
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fclose(f);
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}
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input_parse(&w->ictx, BUFFER_OUT(w->in), BUFFER_USED(w->in), b);
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buffer_remove(w->in, BUFFER_USED(w->in));
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14
xmalloc.c
14
xmalloc.c
@ -1,4 +1,4 @@
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/* $Id: xmalloc.c,v 1.2 2007-07-25 23:13:18 nicm Exp $ */
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/* $Id: xmalloc.c,v 1.3 2007-09-29 14:25:49 nicm Exp $ */
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/*
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* Copyright (c) 2004 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -69,6 +69,18 @@ ensure_size(void *buf, size_t *len, size_t nmemb, size_t size)
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return (buf);
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}
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char *
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xmemstrdup(const char *buf, size_t len)
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{
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char *s;
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s = xmalloc(len + 1);
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memcpy(s, buf, len);
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s[len] = '\0';
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return (s);
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}
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char *
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xstrdup(const char *s)
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{
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