auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 488 deletions

diff --git a/readline.c b/readline.c
deleted file mode 100644
index 81bc491..0000000
--- a/readline.c
+++ /dev/null
@@ -1,488 +0,0 @@
-/*
- * QEMU readline utility
- *
- * Copyright (c) 2003-2004 Fabrice Bellard
- *
- * 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 "qemu-common.h"
-#include "console.h"
-
-#define TERM_CMD_BUF_SIZE 4095
-#define TERM_MAX_CMDS 64
-#define NB_COMPLETIONS_MAX 256
-
-#define IS_NORM 0
-#define IS_ESC  1
-#define IS_CSI  2
-
-#define printf do_not_use_printf
-
-static char term_cmd_buf[TERM_CMD_BUF_SIZE + 1];
-static int term_cmd_buf_index;
-static int term_cmd_buf_size;
-
-static char term_last_cmd_buf[TERM_CMD_BUF_SIZE + 1];
-static int term_last_cmd_buf_index;
-static int term_last_cmd_buf_size;
-
-static int term_esc_state;
-static int term_esc_param;
-
-static char *term_history[TERM_MAX_CMDS];
-static int term_hist_entry = -1;
-
-static int nb_completions;
-int completion_index;
-static char *completions[NB_COMPLETIONS_MAX];
-
-static ReadLineFunc *term_readline_func;
-static int term_is_password;
-static char term_prompt[256];
-static void *term_readline_opaque;
-
-static void term_show_prompt2(void)
-{
-    term_printf("%s", term_prompt);
-    term_flush();
-    term_last_cmd_buf_index = 0;
-    term_last_cmd_buf_size = 0;
-    term_esc_state = IS_NORM;
-}
-
-static void term_show_prompt(void)
-{
-    term_show_prompt2();
-    term_cmd_buf_index = 0;
-    term_cmd_buf_size = 0;
-}
-
-/* update the displayed command line */
-static void term_update(void)
-{
-    int i, delta, len;
-
-    if (term_cmd_buf_size != term_last_cmd_buf_size ||
-        memcmp(term_cmd_buf, term_last_cmd_buf, term_cmd_buf_size) != 0) {
-        for(i = 0; i < term_last_cmd_buf_index; i++) {
-            term_printf("\033[D");
-        }
-        term_cmd_buf[term_cmd_buf_size] = '\0';
-        if (term_is_password) {
-            len = strlen(term_cmd_buf);
-            for(i = 0; i < len; i++)
-                term_printf("*");
-        } else {
-            term_printf("%s", term_cmd_buf);
-        }
-        term_printf("\033[K");
-        memcpy(term_last_cmd_buf, term_cmd_buf, term_cmd_buf_size);
-        term_last_cmd_buf_size = term_cmd_buf_size;
-        term_last_cmd_buf_index = term_cmd_buf_size;
-    }
-    if (term_cmd_buf_index != term_last_cmd_buf_index) {
-        delta = term_cmd_buf_index - term_last_cmd_buf_index;
-        if (delta > 0) {
-            for(i = 0;i < delta; i++) {
-                term_printf("\033[C");
-            }
-        } else {
-            delta = -delta;
-            for(i = 0;i < delta; i++) {
-                term_printf("\033[D");
-            }
-        }
-        term_last_cmd_buf_index = term_cmd_buf_index;
-    }
-    term_flush();
-}
-
-static void term_insert_char(int ch)
-{
-    if (term_cmd_buf_index < TERM_CMD_BUF_SIZE) {
-        memmove(term_cmd_buf + term_cmd_buf_index + 1,
-                term_cmd_buf + term_cmd_buf_index,
-                term_cmd_buf_size - term_cmd_buf_index);
-        term_cmd_buf[term_cmd_buf_index] = ch;
-        term_cmd_buf_size++;
-        term_cmd_buf_index++;
-    }
-}
-
-static void term_backward_char(void)
-{
-    if (term_cmd_buf_index > 0) {
-        term_cmd_buf_index--;
-    }
-}
-
-static void term_forward_char(void)
-{
-    if (term_cmd_buf_index < term_cmd_buf_size) {
-        term_cmd_buf_index++;
-    }
-}
-
-static void term_delete_char(void)
-{
-    if (term_cmd_buf_index < term_cmd_buf_size) {
-        memmove(term_cmd_buf + term_cmd_buf_index,
-                term_cmd_buf + term_cmd_buf_index + 1,
-                term_cmd_buf_size - term_cmd_buf_index - 1);
-        term_cmd_buf_size--;
-    }
-}
-
-static void term_backspace(void)
-{
-    if (term_cmd_buf_index > 0) {
-        term_backward_char();
-        term_delete_char();
-    }
-}
-
-static void term_backword(void)
-{
-    int start;
-
-    if (term_cmd_buf_index == 0 || term_cmd_buf_index > term_cmd_buf_size) {
-        return;
-    }
-
-    start = term_cmd_buf_index - 1;
-
-    /* find first word (backwards) */
-    while (start > 0) {
-        if (!isspace(term_cmd_buf[start])) {
-            break;
-        }
-
-        --start;
-    }
-
-    /* find first space (backwards) */
-    while (start > 0) {
-        if (isspace(term_cmd_buf[start])) {
-            ++start;
-            break;
-        }
-
-        --start;
-    }
-
-    /* remove word */
-    if (start < term_cmd_buf_index) {
-        memmove(term_cmd_buf + start,
-                term_cmd_buf + term_cmd_buf_index,
-                term_cmd_buf_size - term_cmd_buf_index);
-        term_cmd_buf_size -= term_cmd_buf_index - start;
-        term_cmd_buf_index = start;
-    }
-}
-
-static void term_bol(void)
-{
-    term_cmd_buf_index = 0;
-}
-
-static void term_eol(void)
-{
-    term_cmd_buf_index = term_cmd_buf_size;
-}
-
-static void term_up_char(void)
-{
-    int idx;
-
-    if (term_hist_entry == 0)
-	return;
-    if (term_hist_entry == -1) {
-	/* Find latest entry */
-	for (idx = 0; idx < TERM_MAX_CMDS; idx++) {
-	    if (term_history[idx] == NULL)
-		break;
-	}
-	term_hist_entry = idx;
-    }
-    term_hist_entry--;
-    if (term_hist_entry >= 0) {
-	pstrcpy(term_cmd_buf, sizeof(term_cmd_buf),
-                term_history[term_hist_entry]);
-	term_cmd_buf_index = term_cmd_buf_size = strlen(term_cmd_buf);
-    }
-}
-
-static void term_down_char(void)
-{
-    if (term_hist_entry == TERM_MAX_CMDS - 1 || term_hist_entry == -1)
-	return;
-    if (term_history[++term_hist_entry] != NULL) {
-	pstrcpy(term_cmd_buf, sizeof(term_cmd_buf),
-                term_history[term_hist_entry]);
-    } else {
-	term_hist_entry = -1;
-    }
-    term_cmd_buf_index = term_cmd_buf_size = strlen(term_cmd_buf);
-}
-
-static void term_hist_add(const char *cmdline)
-{
-    char *hist_entry, *new_entry;
-    int idx;
-
-    if (cmdline[0] == '\0')
-	return;
-    new_entry = NULL;
-    if (term_hist_entry != -1) {
-	/* We were editing an existing history entry: replace it */
-	hist_entry = term_history[term_hist_entry];
-	idx = term_hist_entry;
-	if (strcmp(hist_entry, cmdline) == 0) {
-	    goto same_entry;
-	}
-    }
-    /* Search cmdline in history buffers */
-    for (idx = 0; idx < TERM_MAX_CMDS; idx++) {
-	hist_entry = term_history[idx];
-	if (hist_entry == NULL)
-	    break;
-	if (strcmp(hist_entry, cmdline) == 0) {
-	same_entry:
-	    new_entry = hist_entry;
-	    /* Put this entry at the end of history */
-	    memmove(&term_history[idx], &term_history[idx + 1],
-		    (TERM_MAX_CMDS - idx + 1) * sizeof(char *));
-	    term_history[TERM_MAX_CMDS - 1] = NULL;
-	    for (; idx < TERM_MAX_CMDS; idx++) {
-		if (term_history[idx] == NULL)
-		    break;
-	    }
-	    break;
-	}
-    }
-    if (idx == TERM_MAX_CMDS) {
-	/* Need to get one free slot */
-	free(term_history[0]);
-	memcpy(term_history, &term_history[1],
-	       (TERM_MAX_CMDS - 1) * sizeof(char *));
-	term_history[TERM_MAX_CMDS - 1] = NULL;
-	idx = TERM_MAX_CMDS - 1;
-    }
-    if (new_entry == NULL)
-	new_entry = strdup(cmdline);
-    term_history[idx] = new_entry;
-    term_hist_entry = -1;
-}
-
-/* completion support */
-
-void add_completion(const char *str)
-{
-    if (nb_completions < NB_COMPLETIONS_MAX) {
-        completions[nb_completions++] = qemu_strdup(str);
-    }
-}
-
-static void term_completion(void)
-{
-    int len, i, j, max_width, nb_cols, max_prefix;
-    char *cmdline;
-
-    nb_completions = 0;
-
-    cmdline = qemu_malloc(term_cmd_buf_index + 1);
-    if (!cmdline)
-        return;
-    memcpy(cmdline, term_cmd_buf, term_cmd_buf_index);
-    cmdline[term_cmd_buf_index] = '\0';
-    readline_find_completion(cmdline);
-    qemu_free(cmdline);
-
-    /* no completion found */
-    if (nb_completions <= 0)
-        return;
-    if (nb_completions == 1) {
-        len = strlen(completions[0]);
-        for(i = completion_index; i < len; i++) {
-            term_insert_char(completions[0][i]);
-        }
-        /* extra space for next argument. XXX: make it more generic */
-        if (len > 0 && completions[0][len - 1] != '/')
-            term_insert_char(' ');
-    } else {
-        term_printf("\n");
-        max_width = 0;
-        max_prefix = 0;	
-        for(i = 0; i < nb_completions; i++) {
-            len = strlen(completions[i]);
-            if (i==0) {
-                max_prefix = len;
-            } else {
-                if (len < max_prefix)
-                    max_prefix = len;
-                for(j=0; j<max_prefix; j++) {
-                    if (completions[i][j] != completions[0][j])
-                        max_prefix = j;
-                }
-            }
-            if (len > max_width)
-                max_width = len;
-        }
-        if (max_prefix > 0) 
-            for(i = completion_index; i < max_prefix; i++) {
-                term_insert_char(completions[0][i]);
-            }
-        max_width += 2;
-        if (max_width < 10)
-            max_width = 10;
-        else if (max_width > 80)
-            max_width = 80;
-        nb_cols = 80 / max_width;
-        j = 0;
-        for(i = 0; i < nb_completions; i++) {
-            term_printf("%-*s", max_width, completions[i]);
-            if (++j == nb_cols || i == (nb_completions - 1)) {
-                term_printf("\n");
-                j = 0;
-            }
-        }
-        term_show_prompt2();
-    }
-}
-
-/* return true if command handled */
-void readline_handle_byte(int ch)
-{
-    switch(term_esc_state) {
-    case IS_NORM:
-        switch(ch) {
-        case 1:
-            term_bol();
-            break;
-        case 4:
-            term_delete_char();
-            break;
-        case 5:
-            term_eol();
-            break;
-        case 9:
-            term_completion();
-            break;
-        case 10:
-        case 13:
-            term_cmd_buf[term_cmd_buf_size] = '\0';
-            if (!term_is_password)
-                term_hist_add(term_cmd_buf);
-            term_printf("\n");
-            term_cmd_buf_index = 0;
-            term_cmd_buf_size = 0;
-            term_last_cmd_buf_index = 0;
-            term_last_cmd_buf_size = 0;
-            /* NOTE: readline_start can be called here */
-            term_readline_func(term_readline_opaque, term_cmd_buf);
-            break;
-        case 23:
-            /* ^W */
-            term_backword();
-            break;
-        case 27:
-            term_esc_state = IS_ESC;
-            break;
-        case 127:
-        case 8:
-            term_backspace();
-            break;
-	case 155:
-            term_esc_state = IS_CSI;
-	    break;
-        default:
-            if (ch >= 32) {
-                term_insert_char(ch);
-            }
-            break;
-        }
-        break;
-    case IS_ESC:
-        if (ch == '[') {
-            term_esc_state = IS_CSI;
-            term_esc_param = 0;
-        } else {
-            term_esc_state = IS_NORM;
-        }
-        break;
-    case IS_CSI:
-        switch(ch) {
-	case 'A':
-	case 'F':
-	    term_up_char();
-	    break;
-	case 'B':
-	case 'E':
-	    term_down_char();
-	    break;
-        case 'D':
-            term_backward_char();
-            break;
-        case 'C':
-            term_forward_char();
-            break;
-        case '0' ... '9':
-            term_esc_param = term_esc_param * 10 + (ch - '0');
-            goto the_end;
-        case '~':
-            switch(term_esc_param) {
-            case 1:
-                term_bol();
-                break;
-            case 3:
-                term_delete_char();
-                break;
-            case 4:
-                term_eol();
-                break;
-            }
-            break;
-        default:
-            break;
-        }
-        term_esc_state = IS_NORM;
-    the_end:
-        break;
-    }
-    term_update();
-}
-
-void readline_start(const char *prompt, int is_password,
-                    ReadLineFunc *readline_func, void *opaque)
-{
-    pstrcpy(term_prompt, sizeof(term_prompt), prompt);
-    term_readline_func = readline_func;
-    term_readline_opaque = opaque;
-    term_is_password = is_password;
-    term_show_prompt();
-}
-
-const char *readline_get_history(unsigned int index)
-{
-    if (index >= TERM_MAX_CMDS)
-        return NULL;
-    return term_history[index];
-}
-
-