ifeq ($(CONFIG_SOFTMMU),y)
common-obj-y = $(block-obj-y) blockdev.o blockdev-nbd.o block/
common-obj-y += net/
-common-obj-y += readline.o
common-obj-y += qdev-monitor.o device-hotplug.o
common-obj-$(CONFIG_WIN32) += os-win32.o
common-obj-$(CONFIG_POSIX) += os-posix.o
#include "qapi/qmp/qerror.h"
#include "qapi/qmp/qdict.h"
#include "block/block.h"
-#include "monitor/readline.h"
+#include "qemu/readline.h"
extern Monitor *cur_mon;
extern Monitor *default_mon;
+++ /dev/null
-#ifndef READLINE_H
-#define READLINE_H
-
-#define READLINE_CMD_BUF_SIZE 4095
-#define READLINE_MAX_CMDS 64
-#define READLINE_MAX_COMPLETIONS 256
-
-typedef void ReadLinePrintfFunc(void *opaque, const char *fmt, ...);
-typedef void ReadLineFlushFunc(void *opaque);
-typedef void ReadLineFunc(void *opaque, const char *str,
- void *readline_opaque);
-typedef void ReadLineCompletionFunc(void *opaque,
- const char *cmdline);
-
-typedef struct ReadLineState {
- char cmd_buf[READLINE_CMD_BUF_SIZE + 1];
- int cmd_buf_index;
- int cmd_buf_size;
-
- char last_cmd_buf[READLINE_CMD_BUF_SIZE + 1];
- int last_cmd_buf_index;
- int last_cmd_buf_size;
-
- int esc_state;
- int esc_param;
-
- char *history[READLINE_MAX_CMDS];
- int hist_entry;
-
- ReadLineCompletionFunc *completion_finder;
- char *completions[READLINE_MAX_COMPLETIONS];
- int nb_completions;
- int completion_index;
-
- ReadLineFunc *readline_func;
- void *readline_opaque;
- int read_password;
- char prompt[256];
-
- ReadLinePrintfFunc *printf_func;
- ReadLineFlushFunc *flush_func;
- void *opaque;
-} ReadLineState;
-
-void readline_add_completion(ReadLineState *rs, const char *str);
-void readline_set_completion_index(ReadLineState *rs, int completion_index);
-
-const char *readline_get_history(ReadLineState *rs, unsigned int index);
-
-void readline_handle_byte(ReadLineState *rs, int ch);
-
-void readline_start(ReadLineState *rs, const char *prompt, int read_password,
- ReadLineFunc *readline_func, void *readline_opaque);
-void readline_restart(ReadLineState *rs);
-void readline_show_prompt(ReadLineState *rs);
-
-ReadLineState *readline_init(ReadLinePrintfFunc *printf_func,
- ReadLineFlushFunc *flush_func,
- void *opaque,
- ReadLineCompletionFunc *completion_finder);
-
-#endif /* !READLINE_H */
--- /dev/null
+#ifndef READLINE_H
+#define READLINE_H
+
+#define READLINE_CMD_BUF_SIZE 4095
+#define READLINE_MAX_CMDS 64
+#define READLINE_MAX_COMPLETIONS 256
+
+typedef void ReadLinePrintfFunc(void *opaque, const char *fmt, ...);
+typedef void ReadLineFlushFunc(void *opaque);
+typedef void ReadLineFunc(void *opaque, const char *str,
+ void *readline_opaque);
+typedef void ReadLineCompletionFunc(void *opaque,
+ const char *cmdline);
+
+typedef struct ReadLineState {
+ char cmd_buf[READLINE_CMD_BUF_SIZE + 1];
+ int cmd_buf_index;
+ int cmd_buf_size;
+
+ char last_cmd_buf[READLINE_CMD_BUF_SIZE + 1];
+ int last_cmd_buf_index;
+ int last_cmd_buf_size;
+
+ int esc_state;
+ int esc_param;
+
+ char *history[READLINE_MAX_CMDS];
+ int hist_entry;
+
+ ReadLineCompletionFunc *completion_finder;
+ char *completions[READLINE_MAX_COMPLETIONS];
+ int nb_completions;
+ int completion_index;
+
+ ReadLineFunc *readline_func;
+ void *readline_opaque;
+ int read_password;
+ char prompt[256];
+
+ ReadLinePrintfFunc *printf_func;
+ ReadLineFlushFunc *flush_func;
+ void *opaque;
+} ReadLineState;
+
+void readline_add_completion(ReadLineState *rs, const char *str);
+void readline_set_completion_index(ReadLineState *rs, int completion_index);
+
+const char *readline_get_history(ReadLineState *rs, unsigned int index);
+
+void readline_handle_byte(ReadLineState *rs, int ch);
+
+void readline_start(ReadLineState *rs, const char *prompt, int read_password,
+ ReadLineFunc *readline_func, void *readline_opaque);
+void readline_restart(ReadLineState *rs);
+void readline_show_prompt(ReadLineState *rs);
+
+ReadLineState *readline_init(ReadLinePrintfFunc *printf_func,
+ ReadLineFlushFunc *flush_func,
+ void *opaque,
+ ReadLineCompletionFunc *completion_finder);
+
+#endif /* !READLINE_H */
#include "ui/qemu-spice.h"
#include "sysemu/sysemu.h"
#include "monitor/monitor.h"
-#include "monitor/readline.h"
+#include "qemu/readline.h"
#include "ui/console.h"
#include "sysemu/blockdev.h"
#include "audio/audio.h"
+++ /dev/null
-/*
- * 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 "monitor/readline.h"
-
-#define IS_NORM 0
-#define IS_ESC 1
-#define IS_CSI 2
-#define IS_SS3 3
-
-void readline_show_prompt(ReadLineState *rs)
-{
- rs->printf_func(rs->opaque, "%s", rs->prompt);
- rs->flush_func(rs->opaque);
- rs->last_cmd_buf_index = 0;
- rs->last_cmd_buf_size = 0;
- rs->esc_state = IS_NORM;
-}
-
-/* update the displayed command line */
-static void readline_update(ReadLineState *rs)
-{
- int i, delta, len;
-
- if (rs->cmd_buf_size != rs->last_cmd_buf_size ||
- memcmp(rs->cmd_buf, rs->last_cmd_buf, rs->cmd_buf_size) != 0) {
- for(i = 0; i < rs->last_cmd_buf_index; i++) {
- rs->printf_func(rs->opaque, "\033[D");
- }
- rs->cmd_buf[rs->cmd_buf_size] = '\0';
- if (rs->read_password) {
- len = strlen(rs->cmd_buf);
- for(i = 0; i < len; i++)
- rs->printf_func(rs->opaque, "*");
- } else {
- rs->printf_func(rs->opaque, "%s", rs->cmd_buf);
- }
- rs->printf_func(rs->opaque, "\033[K");
- memcpy(rs->last_cmd_buf, rs->cmd_buf, rs->cmd_buf_size);
- rs->last_cmd_buf_size = rs->cmd_buf_size;
- rs->last_cmd_buf_index = rs->cmd_buf_size;
- }
- if (rs->cmd_buf_index != rs->last_cmd_buf_index) {
- delta = rs->cmd_buf_index - rs->last_cmd_buf_index;
- if (delta > 0) {
- for(i = 0;i < delta; i++) {
- rs->printf_func(rs->opaque, "\033[C");
- }
- } else {
- delta = -delta;
- for(i = 0;i < delta; i++) {
- rs->printf_func(rs->opaque, "\033[D");
- }
- }
- rs->last_cmd_buf_index = rs->cmd_buf_index;
- }
- rs->flush_func(rs->opaque);
-}
-
-static void readline_insert_char(ReadLineState *rs, int ch)
-{
- if (rs->cmd_buf_index < READLINE_CMD_BUF_SIZE) {
- memmove(rs->cmd_buf + rs->cmd_buf_index + 1,
- rs->cmd_buf + rs->cmd_buf_index,
- rs->cmd_buf_size - rs->cmd_buf_index);
- rs->cmd_buf[rs->cmd_buf_index] = ch;
- rs->cmd_buf_size++;
- rs->cmd_buf_index++;
- }
-}
-
-static void readline_backward_char(ReadLineState *rs)
-{
- if (rs->cmd_buf_index > 0) {
- rs->cmd_buf_index--;
- }
-}
-
-static void readline_forward_char(ReadLineState *rs)
-{
- if (rs->cmd_buf_index < rs->cmd_buf_size) {
- rs->cmd_buf_index++;
- }
-}
-
-static void readline_delete_char(ReadLineState *rs)
-{
- if (rs->cmd_buf_index < rs->cmd_buf_size) {
- memmove(rs->cmd_buf + rs->cmd_buf_index,
- rs->cmd_buf + rs->cmd_buf_index + 1,
- rs->cmd_buf_size - rs->cmd_buf_index - 1);
- rs->cmd_buf_size--;
- }
-}
-
-static void readline_backspace(ReadLineState *rs)
-{
- if (rs->cmd_buf_index > 0) {
- readline_backward_char(rs);
- readline_delete_char(rs);
- }
-}
-
-static void readline_backword(ReadLineState *rs)
-{
- int start;
-
- if (rs->cmd_buf_index == 0 || rs->cmd_buf_index > rs->cmd_buf_size) {
- return;
- }
-
- start = rs->cmd_buf_index - 1;
-
- /* find first word (backwards) */
- while (start > 0) {
- if (!qemu_isspace(rs->cmd_buf[start])) {
- break;
- }
-
- --start;
- }
-
- /* find first space (backwards) */
- while (start > 0) {
- if (qemu_isspace(rs->cmd_buf[start])) {
- ++start;
- break;
- }
-
- --start;
- }
-
- /* remove word */
- if (start < rs->cmd_buf_index) {
- memmove(rs->cmd_buf + start,
- rs->cmd_buf + rs->cmd_buf_index,
- rs->cmd_buf_size - rs->cmd_buf_index);
- rs->cmd_buf_size -= rs->cmd_buf_index - start;
- rs->cmd_buf_index = start;
- }
-}
-
-static void readline_bol(ReadLineState *rs)
-{
- rs->cmd_buf_index = 0;
-}
-
-static void readline_eol(ReadLineState *rs)
-{
- rs->cmd_buf_index = rs->cmd_buf_size;
-}
-
-static void readline_up_char(ReadLineState *rs)
-{
- int idx;
-
- if (rs->hist_entry == 0)
- return;
- if (rs->hist_entry == -1) {
- /* Find latest entry */
- for (idx = 0; idx < READLINE_MAX_CMDS; idx++) {
- if (rs->history[idx] == NULL)
- break;
- }
- rs->hist_entry = idx;
- }
- rs->hist_entry--;
- if (rs->hist_entry >= 0) {
- pstrcpy(rs->cmd_buf, sizeof(rs->cmd_buf),
- rs->history[rs->hist_entry]);
- rs->cmd_buf_index = rs->cmd_buf_size = strlen(rs->cmd_buf);
- }
-}
-
-static void readline_down_char(ReadLineState *rs)
-{
- if (rs->hist_entry == -1)
- return;
- if (rs->hist_entry < READLINE_MAX_CMDS - 1 &&
- rs->history[++rs->hist_entry] != NULL) {
- pstrcpy(rs->cmd_buf, sizeof(rs->cmd_buf),
- rs->history[rs->hist_entry]);
- } else {
- rs->cmd_buf[0] = 0;
- rs->hist_entry = -1;
- }
- rs->cmd_buf_index = rs->cmd_buf_size = strlen(rs->cmd_buf);
-}
-
-static void readline_hist_add(ReadLineState *rs, const char *cmdline)
-{
- char *hist_entry, *new_entry;
- int idx;
-
- if (cmdline[0] == '\0')
- return;
- new_entry = NULL;
- if (rs->hist_entry != -1) {
- /* We were editing an existing history entry: replace it */
- hist_entry = rs->history[rs->hist_entry];
- idx = rs->hist_entry;
- if (strcmp(hist_entry, cmdline) == 0) {
- goto same_entry;
- }
- }
- /* Search cmdline in history buffers */
- for (idx = 0; idx < READLINE_MAX_CMDS; idx++) {
- hist_entry = rs->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(&rs->history[idx], &rs->history[idx + 1],
- (READLINE_MAX_CMDS - (idx + 1)) * sizeof(char *));
- rs->history[READLINE_MAX_CMDS - 1] = NULL;
- for (; idx < READLINE_MAX_CMDS; idx++) {
- if (rs->history[idx] == NULL)
- break;
- }
- break;
- }
- }
- if (idx == READLINE_MAX_CMDS) {
- /* Need to get one free slot */
- g_free(rs->history[0]);
- memmove(rs->history, &rs->history[1],
- (READLINE_MAX_CMDS - 1) * sizeof(char *));
- rs->history[READLINE_MAX_CMDS - 1] = NULL;
- idx = READLINE_MAX_CMDS - 1;
- }
- if (new_entry == NULL)
- new_entry = g_strdup(cmdline);
- rs->history[idx] = new_entry;
- rs->hist_entry = -1;
-}
-
-/* completion support */
-
-void readline_add_completion(ReadLineState *rs, const char *str)
-{
- if (rs->nb_completions < READLINE_MAX_COMPLETIONS) {
- rs->completions[rs->nb_completions++] = g_strdup(str);
- }
-}
-
-void readline_set_completion_index(ReadLineState *rs, int index)
-{
- rs->completion_index = index;
-}
-
-static void readline_completion(ReadLineState *rs)
-{
- int len, i, j, max_width, nb_cols, max_prefix;
- char *cmdline;
-
- rs->nb_completions = 0;
-
- cmdline = g_malloc(rs->cmd_buf_index + 1);
- memcpy(cmdline, rs->cmd_buf, rs->cmd_buf_index);
- cmdline[rs->cmd_buf_index] = '\0';
- rs->completion_finder(rs->opaque, cmdline);
- g_free(cmdline);
-
- /* no completion found */
- if (rs->nb_completions <= 0)
- return;
- if (rs->nb_completions == 1) {
- len = strlen(rs->completions[0]);
- for(i = rs->completion_index; i < len; i++) {
- readline_insert_char(rs, rs->completions[0][i]);
- }
- /* extra space for next argument. XXX: make it more generic */
- if (len > 0 && rs->completions[0][len - 1] != '/')
- readline_insert_char(rs, ' ');
- } else {
- rs->printf_func(rs->opaque, "\n");
- max_width = 0;
- max_prefix = 0;
- for(i = 0; i < rs->nb_completions; i++) {
- len = strlen(rs->completions[i]);
- if (i==0) {
- max_prefix = len;
- } else {
- if (len < max_prefix)
- max_prefix = len;
- for(j=0; j<max_prefix; j++) {
- if (rs->completions[i][j] != rs->completions[0][j])
- max_prefix = j;
- }
- }
- if (len > max_width)
- max_width = len;
- }
- if (max_prefix > 0)
- for(i = rs->completion_index; i < max_prefix; i++) {
- readline_insert_char(rs, rs->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 < rs->nb_completions; i++) {
- rs->printf_func(rs->opaque, "%-*s", max_width, rs->completions[i]);
- if (++j == nb_cols || i == (rs->nb_completions - 1)) {
- rs->printf_func(rs->opaque, "\n");
- j = 0;
- }
- }
- readline_show_prompt(rs);
- }
- for (i = 0; i < rs->nb_completions; i++) {
- g_free(rs->completions[i]);
- }
-}
-
-/* return true if command handled */
-void readline_handle_byte(ReadLineState *rs, int ch)
-{
- switch(rs->esc_state) {
- case IS_NORM:
- switch(ch) {
- case 1:
- readline_bol(rs);
- break;
- case 4:
- readline_delete_char(rs);
- break;
- case 5:
- readline_eol(rs);
- break;
- case 9:
- readline_completion(rs);
- break;
- case 10:
- case 13:
- rs->cmd_buf[rs->cmd_buf_size] = '\0';
- if (!rs->read_password)
- readline_hist_add(rs, rs->cmd_buf);
- rs->printf_func(rs->opaque, "\n");
- rs->cmd_buf_index = 0;
- rs->cmd_buf_size = 0;
- rs->last_cmd_buf_index = 0;
- rs->last_cmd_buf_size = 0;
- rs->readline_func(rs->opaque, rs->cmd_buf, rs->readline_opaque);
- break;
- case 23:
- /* ^W */
- readline_backword(rs);
- break;
- case 27:
- rs->esc_state = IS_ESC;
- break;
- case 127:
- case 8:
- readline_backspace(rs);
- break;
- case 155:
- rs->esc_state = IS_CSI;
- break;
- default:
- if (ch >= 32) {
- readline_insert_char(rs, ch);
- }
- break;
- }
- break;
- case IS_ESC:
- if (ch == '[') {
- rs->esc_state = IS_CSI;
- rs->esc_param = 0;
- } else if (ch == 'O') {
- rs->esc_state = IS_SS3;
- rs->esc_param = 0;
- } else {
- rs->esc_state = IS_NORM;
- }
- break;
- case IS_CSI:
- switch(ch) {
- case 'A':
- case 'F':
- readline_up_char(rs);
- break;
- case 'B':
- case 'E':
- readline_down_char(rs);
- break;
- case 'D':
- readline_backward_char(rs);
- break;
- case 'C':
- readline_forward_char(rs);
- break;
- case '0' ... '9':
- rs->esc_param = rs->esc_param * 10 + (ch - '0');
- goto the_end;
- case '~':
- switch(rs->esc_param) {
- case 1:
- readline_bol(rs);
- break;
- case 3:
- readline_delete_char(rs);
- break;
- case 4:
- readline_eol(rs);
- break;
- }
- break;
- default:
- break;
- }
- rs->esc_state = IS_NORM;
- the_end:
- break;
- case IS_SS3:
- switch(ch) {
- case 'F':
- readline_eol(rs);
- break;
- case 'H':
- readline_bol(rs);
- break;
- }
- rs->esc_state = IS_NORM;
- break;
- }
- readline_update(rs);
-}
-
-void readline_start(ReadLineState *rs, const char *prompt, int read_password,
- ReadLineFunc *readline_func, void *opaque)
-{
- pstrcpy(rs->prompt, sizeof(rs->prompt), prompt);
- rs->readline_func = readline_func;
- rs->readline_opaque = opaque;
- rs->read_password = read_password;
- readline_restart(rs);
-}
-
-void readline_restart(ReadLineState *rs)
-{
- rs->cmd_buf_index = 0;
- rs->cmd_buf_size = 0;
-}
-
-const char *readline_get_history(ReadLineState *rs, unsigned int index)
-{
- if (index >= READLINE_MAX_CMDS)
- return NULL;
- return rs->history[index];
-}
-
-ReadLineState *readline_init(ReadLinePrintfFunc *printf_func,
- ReadLineFlushFunc *flush_func,
- void *opaque,
- ReadLineCompletionFunc *completion_finder)
-{
- ReadLineState *rs = g_malloc0(sizeof(*rs));
-
- rs->hist_entry = -1;
- rs->opaque = opaque;
- rs->printf_func = printf_func;
- rs->flush_func = flush_func;
- rs->completion_finder = completion_finder;
-
- return rs;
-}
util-obj-y += crc32c.o
util-obj-y += throttle.o
util-obj-y += getauxval.o
+util-obj-y += readline.o
--- /dev/null
+/*
+ * 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 "qemu/readline.h"
+
+#define IS_NORM 0
+#define IS_ESC 1
+#define IS_CSI 2
+#define IS_SS3 3
+
+void readline_show_prompt(ReadLineState *rs)
+{
+ rs->printf_func(rs->opaque, "%s", rs->prompt);
+ rs->flush_func(rs->opaque);
+ rs->last_cmd_buf_index = 0;
+ rs->last_cmd_buf_size = 0;
+ rs->esc_state = IS_NORM;
+}
+
+/* update the displayed command line */
+static void readline_update(ReadLineState *rs)
+{
+ int i, delta, len;
+
+ if (rs->cmd_buf_size != rs->last_cmd_buf_size ||
+ memcmp(rs->cmd_buf, rs->last_cmd_buf, rs->cmd_buf_size) != 0) {
+ for(i = 0; i < rs->last_cmd_buf_index; i++) {
+ rs->printf_func(rs->opaque, "\033[D");
+ }
+ rs->cmd_buf[rs->cmd_buf_size] = '\0';
+ if (rs->read_password) {
+ len = strlen(rs->cmd_buf);
+ for(i = 0; i < len; i++)
+ rs->printf_func(rs->opaque, "*");
+ } else {
+ rs->printf_func(rs->opaque, "%s", rs->cmd_buf);
+ }
+ rs->printf_func(rs->opaque, "\033[K");
+ memcpy(rs->last_cmd_buf, rs->cmd_buf, rs->cmd_buf_size);
+ rs->last_cmd_buf_size = rs->cmd_buf_size;
+ rs->last_cmd_buf_index = rs->cmd_buf_size;
+ }
+ if (rs->cmd_buf_index != rs->last_cmd_buf_index) {
+ delta = rs->cmd_buf_index - rs->last_cmd_buf_index;
+ if (delta > 0) {
+ for(i = 0;i < delta; i++) {
+ rs->printf_func(rs->opaque, "\033[C");
+ }
+ } else {
+ delta = -delta;
+ for(i = 0;i < delta; i++) {
+ rs->printf_func(rs->opaque, "\033[D");
+ }
+ }
+ rs->last_cmd_buf_index = rs->cmd_buf_index;
+ }
+ rs->flush_func(rs->opaque);
+}
+
+static void readline_insert_char(ReadLineState *rs, int ch)
+{
+ if (rs->cmd_buf_index < READLINE_CMD_BUF_SIZE) {
+ memmove(rs->cmd_buf + rs->cmd_buf_index + 1,
+ rs->cmd_buf + rs->cmd_buf_index,
+ rs->cmd_buf_size - rs->cmd_buf_index);
+ rs->cmd_buf[rs->cmd_buf_index] = ch;
+ rs->cmd_buf_size++;
+ rs->cmd_buf_index++;
+ }
+}
+
+static void readline_backward_char(ReadLineState *rs)
+{
+ if (rs->cmd_buf_index > 0) {
+ rs->cmd_buf_index--;
+ }
+}
+
+static void readline_forward_char(ReadLineState *rs)
+{
+ if (rs->cmd_buf_index < rs->cmd_buf_size) {
+ rs->cmd_buf_index++;
+ }
+}
+
+static void readline_delete_char(ReadLineState *rs)
+{
+ if (rs->cmd_buf_index < rs->cmd_buf_size) {
+ memmove(rs->cmd_buf + rs->cmd_buf_index,
+ rs->cmd_buf + rs->cmd_buf_index + 1,
+ rs->cmd_buf_size - rs->cmd_buf_index - 1);
+ rs->cmd_buf_size--;
+ }
+}
+
+static void readline_backspace(ReadLineState *rs)
+{
+ if (rs->cmd_buf_index > 0) {
+ readline_backward_char(rs);
+ readline_delete_char(rs);
+ }
+}
+
+static void readline_backword(ReadLineState *rs)
+{
+ int start;
+
+ if (rs->cmd_buf_index == 0 || rs->cmd_buf_index > rs->cmd_buf_size) {
+ return;
+ }
+
+ start = rs->cmd_buf_index - 1;
+
+ /* find first word (backwards) */
+ while (start > 0) {
+ if (!qemu_isspace(rs->cmd_buf[start])) {
+ break;
+ }
+
+ --start;
+ }
+
+ /* find first space (backwards) */
+ while (start > 0) {
+ if (qemu_isspace(rs->cmd_buf[start])) {
+ ++start;
+ break;
+ }
+
+ --start;
+ }
+
+ /* remove word */
+ if (start < rs->cmd_buf_index) {
+ memmove(rs->cmd_buf + start,
+ rs->cmd_buf + rs->cmd_buf_index,
+ rs->cmd_buf_size - rs->cmd_buf_index);
+ rs->cmd_buf_size -= rs->cmd_buf_index - start;
+ rs->cmd_buf_index = start;
+ }
+}
+
+static void readline_bol(ReadLineState *rs)
+{
+ rs->cmd_buf_index = 0;
+}
+
+static void readline_eol(ReadLineState *rs)
+{
+ rs->cmd_buf_index = rs->cmd_buf_size;
+}
+
+static void readline_up_char(ReadLineState *rs)
+{
+ int idx;
+
+ if (rs->hist_entry == 0)
+ return;
+ if (rs->hist_entry == -1) {
+ /* Find latest entry */
+ for (idx = 0; idx < READLINE_MAX_CMDS; idx++) {
+ if (rs->history[idx] == NULL)
+ break;
+ }
+ rs->hist_entry = idx;
+ }
+ rs->hist_entry--;
+ if (rs->hist_entry >= 0) {
+ pstrcpy(rs->cmd_buf, sizeof(rs->cmd_buf),
+ rs->history[rs->hist_entry]);
+ rs->cmd_buf_index = rs->cmd_buf_size = strlen(rs->cmd_buf);
+ }
+}
+
+static void readline_down_char(ReadLineState *rs)
+{
+ if (rs->hist_entry == -1)
+ return;
+ if (rs->hist_entry < READLINE_MAX_CMDS - 1 &&
+ rs->history[++rs->hist_entry] != NULL) {
+ pstrcpy(rs->cmd_buf, sizeof(rs->cmd_buf),
+ rs->history[rs->hist_entry]);
+ } else {
+ rs->cmd_buf[0] = 0;
+ rs->hist_entry = -1;
+ }
+ rs->cmd_buf_index = rs->cmd_buf_size = strlen(rs->cmd_buf);
+}
+
+static void readline_hist_add(ReadLineState *rs, const char *cmdline)
+{
+ char *hist_entry, *new_entry;
+ int idx;
+
+ if (cmdline[0] == '\0')
+ return;
+ new_entry = NULL;
+ if (rs->hist_entry != -1) {
+ /* We were editing an existing history entry: replace it */
+ hist_entry = rs->history[rs->hist_entry];
+ idx = rs->hist_entry;
+ if (strcmp(hist_entry, cmdline) == 0) {
+ goto same_entry;
+ }
+ }
+ /* Search cmdline in history buffers */
+ for (idx = 0; idx < READLINE_MAX_CMDS; idx++) {
+ hist_entry = rs->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(&rs->history[idx], &rs->history[idx + 1],
+ (READLINE_MAX_CMDS - (idx + 1)) * sizeof(char *));
+ rs->history[READLINE_MAX_CMDS - 1] = NULL;
+ for (; idx < READLINE_MAX_CMDS; idx++) {
+ if (rs->history[idx] == NULL)
+ break;
+ }
+ break;
+ }
+ }
+ if (idx == READLINE_MAX_CMDS) {
+ /* Need to get one free slot */
+ g_free(rs->history[0]);
+ memmove(rs->history, &rs->history[1],
+ (READLINE_MAX_CMDS - 1) * sizeof(char *));
+ rs->history[READLINE_MAX_CMDS - 1] = NULL;
+ idx = READLINE_MAX_CMDS - 1;
+ }
+ if (new_entry == NULL)
+ new_entry = g_strdup(cmdline);
+ rs->history[idx] = new_entry;
+ rs->hist_entry = -1;
+}
+
+/* completion support */
+
+void readline_add_completion(ReadLineState *rs, const char *str)
+{
+ if (rs->nb_completions < READLINE_MAX_COMPLETIONS) {
+ rs->completions[rs->nb_completions++] = g_strdup(str);
+ }
+}
+
+void readline_set_completion_index(ReadLineState *rs, int index)
+{
+ rs->completion_index = index;
+}
+
+static void readline_completion(ReadLineState *rs)
+{
+ int len, i, j, max_width, nb_cols, max_prefix;
+ char *cmdline;
+
+ rs->nb_completions = 0;
+
+ cmdline = g_malloc(rs->cmd_buf_index + 1);
+ memcpy(cmdline, rs->cmd_buf, rs->cmd_buf_index);
+ cmdline[rs->cmd_buf_index] = '\0';
+ rs->completion_finder(rs->opaque, cmdline);
+ g_free(cmdline);
+
+ /* no completion found */
+ if (rs->nb_completions <= 0)
+ return;
+ if (rs->nb_completions == 1) {
+ len = strlen(rs->completions[0]);
+ for(i = rs->completion_index; i < len; i++) {
+ readline_insert_char(rs, rs->completions[0][i]);
+ }
+ /* extra space for next argument. XXX: make it more generic */
+ if (len > 0 && rs->completions[0][len - 1] != '/')
+ readline_insert_char(rs, ' ');
+ } else {
+ rs->printf_func(rs->opaque, "\n");
+ max_width = 0;
+ max_prefix = 0;
+ for(i = 0; i < rs->nb_completions; i++) {
+ len = strlen(rs->completions[i]);
+ if (i==0) {
+ max_prefix = len;
+ } else {
+ if (len < max_prefix)
+ max_prefix = len;
+ for(j=0; j<max_prefix; j++) {
+ if (rs->completions[i][j] != rs->completions[0][j])
+ max_prefix = j;
+ }
+ }
+ if (len > max_width)
+ max_width = len;
+ }
+ if (max_prefix > 0)
+ for(i = rs->completion_index; i < max_prefix; i++) {
+ readline_insert_char(rs, rs->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 < rs->nb_completions; i++) {
+ rs->printf_func(rs->opaque, "%-*s", max_width, rs->completions[i]);
+ if (++j == nb_cols || i == (rs->nb_completions - 1)) {
+ rs->printf_func(rs->opaque, "\n");
+ j = 0;
+ }
+ }
+ readline_show_prompt(rs);
+ }
+ for (i = 0; i < rs->nb_completions; i++) {
+ g_free(rs->completions[i]);
+ }
+}
+
+/* return true if command handled */
+void readline_handle_byte(ReadLineState *rs, int ch)
+{
+ switch(rs->esc_state) {
+ case IS_NORM:
+ switch(ch) {
+ case 1:
+ readline_bol(rs);
+ break;
+ case 4:
+ readline_delete_char(rs);
+ break;
+ case 5:
+ readline_eol(rs);
+ break;
+ case 9:
+ readline_completion(rs);
+ break;
+ case 10:
+ case 13:
+ rs->cmd_buf[rs->cmd_buf_size] = '\0';
+ if (!rs->read_password)
+ readline_hist_add(rs, rs->cmd_buf);
+ rs->printf_func(rs->opaque, "\n");
+ rs->cmd_buf_index = 0;
+ rs->cmd_buf_size = 0;
+ rs->last_cmd_buf_index = 0;
+ rs->last_cmd_buf_size = 0;
+ rs->readline_func(rs->opaque, rs->cmd_buf, rs->readline_opaque);
+ break;
+ case 23:
+ /* ^W */
+ readline_backword(rs);
+ break;
+ case 27:
+ rs->esc_state = IS_ESC;
+ break;
+ case 127:
+ case 8:
+ readline_backspace(rs);
+ break;
+ case 155:
+ rs->esc_state = IS_CSI;
+ break;
+ default:
+ if (ch >= 32) {
+ readline_insert_char(rs, ch);
+ }
+ break;
+ }
+ break;
+ case IS_ESC:
+ if (ch == '[') {
+ rs->esc_state = IS_CSI;
+ rs->esc_param = 0;
+ } else if (ch == 'O') {
+ rs->esc_state = IS_SS3;
+ rs->esc_param = 0;
+ } else {
+ rs->esc_state = IS_NORM;
+ }
+ break;
+ case IS_CSI:
+ switch(ch) {
+ case 'A':
+ case 'F':
+ readline_up_char(rs);
+ break;
+ case 'B':
+ case 'E':
+ readline_down_char(rs);
+ break;
+ case 'D':
+ readline_backward_char(rs);
+ break;
+ case 'C':
+ readline_forward_char(rs);
+ break;
+ case '0' ... '9':
+ rs->esc_param = rs->esc_param * 10 + (ch - '0');
+ goto the_end;
+ case '~':
+ switch(rs->esc_param) {
+ case 1:
+ readline_bol(rs);
+ break;
+ case 3:
+ readline_delete_char(rs);
+ break;
+ case 4:
+ readline_eol(rs);
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ rs->esc_state = IS_NORM;
+ the_end:
+ break;
+ case IS_SS3:
+ switch(ch) {
+ case 'F':
+ readline_eol(rs);
+ break;
+ case 'H':
+ readline_bol(rs);
+ break;
+ }
+ rs->esc_state = IS_NORM;
+ break;
+ }
+ readline_update(rs);
+}
+
+void readline_start(ReadLineState *rs, const char *prompt, int read_password,
+ ReadLineFunc *readline_func, void *opaque)
+{
+ pstrcpy(rs->prompt, sizeof(rs->prompt), prompt);
+ rs->readline_func = readline_func;
+ rs->readline_opaque = opaque;
+ rs->read_password = read_password;
+ readline_restart(rs);
+}
+
+void readline_restart(ReadLineState *rs)
+{
+ rs->cmd_buf_index = 0;
+ rs->cmd_buf_size = 0;
+}
+
+const char *readline_get_history(ReadLineState *rs, unsigned int index)
+{
+ if (index >= READLINE_MAX_CMDS)
+ return NULL;
+ return rs->history[index];
+}
+
+ReadLineState *readline_init(ReadLinePrintfFunc *printf_func,
+ ReadLineFlushFunc *flush_func,
+ void *opaque,
+ ReadLineCompletionFunc *completion_finder)
+{
+ ReadLineState *rs = g_malloc0(sizeof(*rs));
+
+ rs->hist_entry = -1;
+ rs->opaque = opaque;
+ rs->printf_func = printf_func;
+ rs->flush_func = flush_func;
+ rs->completion_finder = completion_finder;
+
+ return rs;
+}
projects / qemu-upstream-4.6-testing.git / commitdiff