1 files changed, 166 insertions, 0 deletions
diff --git a/editor.h b/editor.h
new file mode 100644
index 0000000..57794e2
--- /dev/null
+++ b/editor.h
@@ -0,0 +1,166 @@
+#ifndef EDITOR_H
+#define EDITOR_H
+
+#include <stddef.h>
+#include <regex.h>
+#include "text-motions.h"
+#include "text-objects.h"
+#include "window.h"
+#include "register.h"
+
+typedef struct Editor Editor;
+typedef struct EditorWin EditorWin;
+
+struct EditorWin {
+	Editor *editor;         /* editor instance to which this window belongs */
+	Text *text;             /* underlying text management */
+	Win *win;               /* vis window for the text area  */
+	WINDOW *statuswin;      /* curses window for the statusbar */
+	int width, height;      /* window size including the statusbar */
+	EditorWin *prev, *next; /* neighbouring windows */
+};
+
+typedef struct {
+	EditorWin *win;         /* 1-line height editor window used for the prompt */
+	EditorWin *editor;      /* active editor window before prompt is shown */
+	char *title;            /* title displayed to the left of the prompt */
+	WINDOW *titlewin;       /* the curses window holding the prompt title */
+	bool active;            /* whether the prompt is currently shown or not */
+} Prompt;
+
+typedef void (*editor_statusbar_t)(WINDOW *win, bool active, const char *filename, size_t line, size_t col);
+
+enum Reg {
+	REG_a,
+	REG_b,
+	REG_c,
+	REG_d,
+	REG_e,
+	REG_f,
+	REG_g,
+	REG_h,
+	REG_i,
+	REG_j,
+	REG_k,
+	REG_l,
+	REG_m,
+	REG_n,
+	REG_o,
+	REG_p,
+	REG_q,
+	REG_r,
+	REG_s,
+	REG_t,
+	REG_u,
+	REG_v,
+	REG_w,
+	REG_x,
+	REG_y,
+	REG_z,
+	REG_DEFAULT,
+	REG_LAST,
+};
+
+enum Mark {
+	MARK_a,
+	MARK_b,
+	MARK_c,
+	MARK_d,
+	MARK_e,
+	MARK_f,
+	MARK_g,
+	MARK_h,
+	MARK_i,
+	MARK_j,
+	MARK_k,
+	MARK_l,
+	MARK_m,
+	MARK_n,
+	MARK_o,
+	MARK_p,
+	MARK_q,
+	MARK_r,
+	MARK_s,
+	MARK_t,
+	MARK_u,
+	MARK_v,
+	MARK_w,
+	MARK_x,
+	MARK_y,
+	MARK_z,
+};
+
+struct Editor {
+	int width, height;                /* terminal size, available for all windows */
+	EditorWin *windows;               /* list of windows */
+	EditorWin *win;                   /* currently active window */
+	Syntax *syntaxes;                 /* NULL terminated array of syntax definitions */
+	Register registers[REG_LAST];     /* register used for copy and paste */
+	Prompt *prompt;                   /* used to get user input */
+	Regex *search_pattern;            /* last used search pattern */
+	void (*windows_arrange)(Editor*); /* current layout which places the windows */
+	editor_statusbar_t statusbar;     /* configurable user hook to draw statusbar */
+	bool running;                     /* (TODO move elsewhere?) */
+};
+
+
+typedef struct {
+	short fg, bg;   /* fore and background color */
+	int attr;       /* curses attributes */
+} Color;
+
+typedef struct {
+	char *rule;     /* regex to search for */
+	int cflags;     /* compilation flags (REG_*) used when compiling */
+	Color color;    /* settings to apply in case of a match */
+	regex_t regex;  /* compiled form of the above rule */
+} SyntaxRule;
+
+#define SYNTAX_REGEX_RULES 10
+
+typedef struct Syntax Syntax;
+
+struct Syntax {                              /* a syntax definition */
+	char *name;                           /* syntax name */
+	char *file;                           /* apply to files matching this regex */
+	regex_t file_regex;                   /* compiled file name regex */
+	SyntaxRule rules[SYNTAX_REGEX_RULES]; /* all rules for this file type */
+};
+
+Editor *editor_new(int width, int height);
+void editor_free(Editor*); 
+void editor_resize(Editor*, int width, int height); 
+void editor_draw(Editor*);
+void editor_update(Editor*);
+void editor_insert_key(Editor*, const char *c, size_t len);
+void editor_replace_key(Editor*, const char *c, size_t len);
+void editor_backspace_key(Editor*);
+void editor_delete_key(Editor*);
+void editor_insert(Editor*, size_t pos, const char *data, size_t len);
+void editor_delete(Editor*, size_t pos, size_t len);
+
+// TODO comment
+bool editor_syntax_load(Editor*, Syntax *syntaxes, Color *colors);
+void editor_syntax_unload(Editor*);
+
+bool editor_window_new(Editor*, const char *filename);
+void editor_window_close(Editor *vis);
+void editor_window_split(Editor*, const char *filename);
+void editor_window_vsplit(Editor*, const char *filename);
+void editor_window_next(Editor*);
+void editor_window_prev(Editor*);
+
+char *editor_prompt_get(Editor *vis);
+void editor_prompt_set(Editor *vis, const char *line);
+void editor_prompt_show(Editor *vis, const char *title);
+void editor_prompt_hide(Editor *vis);
+
+
+void editor_statusbar_set(Editor*, editor_statusbar_t);
+
+/* library initialization code, should be run at startup */
+void editor_init(void);
+short editor_color_reserve(short fg, short bg);
+short editor_color_get(short fg, short bg);
+
+#endif