adding new functions and a new struct

components/linenoise-async/linenoise-async.c

@@ -137,21 +137,6 @@ static int history_len = 0;
 static char **history = NULL;
 static bool allow_empty = true;
 
-/* The linenoiseState structure represents the state during line editing.
- * We pass this state to functions implementing specific editing
- * functionalities. */
-struct linenoiseState {
-    char *buf;          /* Edited line buffer. */
-    size_t buflen;      /* Edited line buffer size. */
-    const char *prompt; /* Prompt to display. */
-    size_t plen;        /* Prompt length. */
-    size_t pos;         /* Current cursor position. */
-    size_t oldpos;      /* Previous refresh cursor position. */
-    size_t len;         /* Current edited line length. */
-    size_t cols;        /* Number of columns in terminal. */
-    size_t maxrows;     /* Maximum num of rows used so far (multiline mode) */
-    int history_index;  /* The history index we are currently editing. */
-};
 
 enum KEY_ACTION{
 	KEY_NULL = 0,	    /* NULL */
@@ -188,7 +173,7 @@ FILE *lndebug_fp = NULL;
             fprintf(lndebug_fp, \
             "[%d %d %d] p: %d, rows: %d, rpos: %d, max: %d, oldmax: %d\n", \
             (int)l->len,(int)l->pos,(int)l->oldpos,plen,rows,rpos, \
-            (int)l->maxrows,old_rows); \
+            (int)l->oldrows,old_rows); \
         } \
         fprintf(lndebug_fp, ", " __VA_ARGS__); \
         fflush(lndebug_fp); \
@@ -568,13 +553,13 @@ static void refreshMultiLine(struct linenoiseState *l) {
     int rpos = (plen+l->oldpos+l->cols)/l->cols; /* cursor relative row. */
     int rpos2; /* rpos after refresh. */
     int col; /* colum position, zero-based. */
-    int old_rows = l->maxrows;
+    int old_rows = l->oldrows;
     int j;
     int fd = fileno(stdout);
     struct abuf ab;
 
-    /* Update maxrows if needed. */
+    /* Update oldrows if needed. */
-    if (rows > (int)l->maxrows) l->maxrows = rows;
+    if (rows > (int)l->oldrows) l->oldrows = rows;
 
     /* First step: clear all the lines used before. To do so start by
      * going to the last row. */
@@ -615,7 +600,7 @@ static void refreshMultiLine(struct linenoiseState *l) {
         snprintf(seq,64,"\r");
         abAppend(&ab,seq,strlen(seq));
         rows++;
-        if (rows > (int)l->maxrows) l->maxrows = rows;
+        if (rows > (int)l->oldrows) l->oldrows = rows;
     }
 
     /* Move cursor to right position. */
@@ -829,7 +814,7 @@ static int linenoiseEdit(char *buf, size_t buflen, const char *prompt)
     l.oldpos = l.pos = 0;
     l.len = 0;
     l.cols = getColumns();
-    l.maxrows = 0;
+    l.oldrows = 0;
     l.history_index = 0;
 
     /* Buffer starts empty. */

components/linenoise-async/linenoise-async.h

@@ -46,11 +46,46 @@ extern "C" {
 #include <stdbool.h>
 #include <stddef.h>
 
+extern char *linenoiseEditMore;
+
+/* The linenoiseState structure represents the state during line editing.
+ * We pass this state to functions implementing specific editing
+ * functionalities. */
+struct linenoiseState {
+    int in_completion;  /* The user pressed TAB and we are now in completion
+                         * mode, so input is handled by completeLine(). */
+    size_t completion_idx; /* Index of next completion to propose. */
+    int ifd;            /* Terminal stdin file descriptor. */
+    int ofd;            /* Terminal stdout file descriptor. */
+    char *buf;          /* Edited line buffer. */
+    size_t buflen;      /* Edited line buffer size. */
+    const char *prompt; /* Prompt to display. */
+    size_t plen;        /* Prompt length. */
+    size_t pos;         /* Current cursor position. */
+    size_t oldpos;      /* Previous refresh cursor position. */
+    size_t len;         /* Current edited line length. */
+    size_t cols;        /* Number of columns in terminal. */
+    size_t oldrows;     /* Rows used by last refrehsed line (multiline mode) */
+    int history_index;  /* The history index we are currently editing. */
+};
+
 typedef struct linenoiseCompletions {
   size_t len;
   char **cvec;
 } linenoiseCompletions;
 
+/* Non blocking API. */
+int linenoiseEditStart(struct linenoiseState *l, int stdin_fd, int stdout_fd, char *buf, size_t buflen, const char *prompt);
+char *linenoiseEditFeed(struct linenoiseState *l);
+void linenoiseEditStop(struct linenoiseState *l);
+void linenoiseHide(struct linenoiseState *l);
+void linenoiseShow(struct linenoiseState *l);
+
+/* Blocking API. */
+char *linenoise(const char *prompt);
+void linenoiseFree(void *ptr);
+
+/* Completion API. */
 typedef void(linenoiseCompletionCallback)(const char *, linenoiseCompletions *);
 typedef char*(linenoiseHintsCallback)(const char *, int *color, int *bold);
 typedef void(linenoiseFreeHintsCallback)(void *);
@@ -59,21 +94,25 @@ void linenoiseSetHintsCallback(linenoiseHintsCallback *);
 void linenoiseSetFreeHintsCallback(linenoiseFreeHintsCallback *);
 void linenoiseAddCompletion(linenoiseCompletions *, const char *);
 
-int linenoiseProbe(void);
+/* History API. */
-char *linenoise(const char *prompt);
-void linenoiseFree(void *ptr);
 int linenoiseHistoryAdd(const char *line);
 int linenoiseHistorySetMaxLen(int len);
 int linenoiseHistorySave(const char *filename);
 int linenoiseHistoryLoad(const char *filename);
 void linenoiseHistoryFree(void);
+
+/* Other utilities. */
 void linenoiseClearScreen(void);
 void linenoiseSetMultiLine(int ml);
-void linenoiseSetDumbMode(int set);
-bool linenoiseIsDumbMode(void);
 void linenoisePrintKeyCodes(void);
+// Allow empty input from console (Enter key)
 void linenoiseAllowEmpty(bool);
 int linenoiseSetMaxLineLen(size_t len);
+// Testing console for escape codes support
+int linenoiseProbe(void);
+// Dump mode for consoles withoud escape codes support
+void linenoiseSetDumbMode(int set);
+bool linenoiseIsDumbMode(void);
 
 #ifdef __cplusplus
 }