updated folder structure

include/tab_complete.h

@@ -0,0 +1,73 @@
+/**
+ * tab_complete.h
+ * Functions for tab completion and path suggestions
+ */
+
+#ifndef TAB_COMPLETE_H
+#define TAB_COMPLETE_H
+
+#include "common.h"
+
+/**
+ * Command context structure
+ */
+typedef struct {
+  int is_after_pipe;         // Flag if cursor is right after a pipe
+  int is_filter_command;     // Flag if current command is a filter command
+  char cmd_before_pipe[64];  // Command before the pipe
+  char filter_command[64];   // Current filter command
+  char current_token[1024];  // Current token being typed
+  int token_position;        // Position within current token
+  int token_index;           // Index of current token in command
+  int filter_arg_index;      // Argument index for filter command
+  int has_current_field;     // Flag if current field is set
+  int has_current_operator;  // Flag if current operator is set
+  char current_field[64];    // Current field if known
+  char current_operator[16]; // Current operator if known
+} CommandContext;
+
+typedef enum {
+  ARG_TYPE_ANY,       // Any argument
+  ARG_TYPE_FILE,      // Files only
+  ARG_TYPE_DIRECTORY, // Directories only
+  ARG_TYPE_BOOKMARK,  // Bookmark names
+  ARG_TYPE_ALIAS,     // Alias names
+  ARG_TYPE_BOTH,      // Both files and directories
+  ARG_TYPE_FAVORITE_CITY,
+  ARG_TYPE_THEME,
+  ARG_TYPE_COMMAND,
+} ArgumentType;
+
+/**
+ * Structure for command argument type information
+ */
+typedef struct {
+  char *command;         // Command name
+  ArgumentType arg_type; // Expected argument type
+  char *description;     // Optional description
+  int strict_match;      // If 1, only show suggestions of the expected type
+                    // If 0, show suggestions of expected type but also allow
+                    // other matches
+} CommandArgInfo;
+
+/**
+ * Structure for returning multiple suggestions
+ */
+typedef struct {
+  char **items;      // Array of suggestion strings
+  int count;         // Number of suggestions
+  int current_index; // Current index for cycling through suggestions
+} SuggestionList;
+
+// Tab completion functions
+char *get_tab_completion(const char *buffer);
+SuggestionList *get_suggestion_list(const char *buffer, const char *prefix);
+void free_suggestion_list(SuggestionList *list);
+
+// Initialize tab completion system
+void init_tab_completion(void);
+
+// Shutdown tab completion system
+void shutdown_tab_completion(void);
+
+#endif // TAB_COMPLETE_H