readline: move readline to a generic location

Now that the monitor and readline are decoupled, readline.h no longer
belongs in include/monitor/.  Put the header into include/qemu/.

Move the source file into util/ so it can be linked as part of
libqemuutil.a.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/include/qemu/readline.h b/include/qemu/readline.h
new file mode 100644
index 0000000000..a89fe4a9a9
--- /dev/null
+++ b/include/qemu/readline.h
@@ -0,0 +1,62 @@
+#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 */