From 1cbaa8c30f63b854696b9a0761376eda5ea87ecd Mon Sep 17 00:00:00 2001
From: Leo Tenenbaum <pommicket@gmail.com>
Date: Thu, 4 Mar 2021 10:40:32 -0500
Subject: string arguments

---
 build.c   |  2 +-
 command.c | 23 ++++++++++++++++++++---
 command.h |  3 +++
 config.c  | 35 +++++++++++++++++++++++++++++++++--
 main.c    |  2 +-
 ted.cfg   |  2 ++
 ted.h     |  5 +++++
 7 files changed, 65 insertions(+), 7 deletions(-)

diff --git a/build.c b/build.c
index be0763e..6ae1d64 100644
--- a/build.c
+++ b/build.c
@@ -137,7 +137,7 @@ static int parse_nonnegative_integer(char32_t **str, char32_t *end) {
 
 // could this character (reasonably) appear in a source file path?
 static bool is_source_path(char32_t c) {
-	char const *allowed_ascii_symbols_in_path = "./\\-_";
+	char const *allowed_ascii_symbols_in_path = "./\\-_:";
 	return c > CHAR_MAX || isalnum((char)c)
 		|| strchr(allowed_ascii_symbols_in_path, (char)c);
 }
diff --git a/command.c b/command.c
index 9521b77..d6108bd 100644
--- a/command.c
+++ b/command.c
@@ -17,6 +17,17 @@ char const *command_to_str(Command c) {
 	return "???";
 }
 
+// get the string corresponding to this argument; returns NULL if it's not a string argument
+char const *arg_get_string(Ted *ted, i64 argument) {
+	if (argument < 0) return NULL;
+	if (argument & ARG_STRING) {
+		argument -= ARG_STRING;
+		if (argument < ted->nstrings)
+			return ted->strings[argument];
+	}
+	return NULL;
+}
+
 void command_execute(Ted *ted, Command c, i64 argument) {
 	TextBuffer *buffer = ted->active_buffer;
 	Node *node = ted->active_node;
@@ -336,9 +347,15 @@ void command_execute(Ted *ted, Command c, i64 argument) {
 	case CMD_BUILD_PREV_ERROR:
 		build_prev_error(ted);
 		break;
-	case CMD_SHELL:
-		menu_open(ted, MENU_SHELL);
-		break;
+	case CMD_SHELL: {
+		char const *str = arg_get_string(ted, argument);
+		if (str) {
+			strbuf_cpy(ted->build_dir, ted->cwd);
+			build_start_with_command(ted, str);
+		} else {
+			menu_open(ted, MENU_SHELL);
+		}
+	} break;
 	
 	case CMD_GOTO_DEFINITION:
 		menu_open(ted, MENU_GOTO_DEFINITION);
diff --git a/command.h b/command.h
index ab5d010..aadac48 100644
--- a/command.h
+++ b/command.h
@@ -1,3 +1,6 @@
+// i | ARG_STRING = ted->strings[i]
+#define ARG_STRING 0x4000000000000000
+
 ENUM_U16 {
 	CMD_UNKNOWN,
 	CMD_NOOP, // do nothing
diff --git a/config.c b/config.c
index 721fbba..0583335 100644
--- a/config.c
+++ b/config.c
@@ -293,8 +293,35 @@ void config_read(Ted *ted, char const *filename) {
 										char *endp;
 										argument = strtoll(value, &endp, 10);
 										value = endp;
-										while (isspace(*value)) ++value; // skip past space following number
+									} else if (*value == '"') {
+										// string argument
+										int backslashes = 0;
+										char const *p;
+										for (p = value + 1; *p; ++p) {
+											bool done = false;
+											switch (*p) {
+											case '\\':
+												++backslashes;
+												break;
+											case '"':
+												if (backslashes % 2 == 0)
+													done = true;
+												break;
+											}
+											if (done) break;
+										}
+										if (!*p) {
+											config_err(cfg, "String doesn't end.");
+											break;
+										}
+										if (ted->nstrings < TED_MAX_STRINGS) {
+											char *str = strn_dup(value + 1, (size_t)(p - (value + 1)));
+											argument = ted->nstrings | ARG_STRING;
+											ted->strings[ted->nstrings++] = str;
+										}
+										value = p + 1;
 									}
+									while (isspace(*value)) ++value; // skip past space following argument
 									if (*value == ':') {
 										// read the command
 										Command command = command_from_str(value + 1);
@@ -428,9 +455,13 @@ void config_read(Ted *ted, char const *filename) {
 	}
 }
 
-static void settings_free(Settings *settings) {
+static void config_free(Ted *ted) {
+	Settings *settings = &ted->settings;
 	for (u16 i = 0; i < LANG_COUNT; ++i) {
 		free(settings->language_extensions[i]);
 		settings->language_extensions[i] = NULL;
 	}
+	for (u32 i = 0; i < ted->nstrings; ++i) {
+		free(ted->strings[i]);
+	}
 }
diff --git a/main.c b/main.c
index 674d121..5c7cc6d 100644
--- a/main.c
+++ b/main.c
@@ -956,7 +956,7 @@ int main(int argc, char **argv) {
 	buffer_free(&ted->argument_buffer);
 	text_font_free(ted->font);
 	text_font_free(ted->font_bold);
-	settings_free(&ted->settings);
+	config_free(ted);
 	free(ted);
 #if _WIN32
 	for (int i = 0; i < argc; ++i)
diff --git a/ted.cfg b/ted.cfg
index 68e2b67..283a5ce 100644
--- a/ted.cfg
+++ b/ted.cfg
@@ -127,6 +127,8 @@ Ctrl+[ = :build-prev-error
 Ctrl+] = :build-next-error
 Ctrl+! = :shell
 
+Ctrl+t = "ctags *.c *.h" :shell
+
 Ctrl+d = :goto-definition
 Ctrl+g = :goto-line
 
diff --git a/ted.h b/ted.h
index c99cab8..586fcd9 100644
--- a/ted.h
+++ b/ted.h
@@ -218,6 +218,8 @@ typedef struct Node {
 #define TED_MAX_NODES 256
 // max tabs per node
 #define TED_MAX_TABS 100
+// max strings in config file
+#define TED_MAX_STRINGS 1000
 
 typedef struct {
 	BufferPos start;
@@ -327,6 +329,9 @@ typedef struct Ted {
 	// NOTE: the buffer at index 0 is reserved as a "null buffer" and should not be used.
 	bool buffers_used[TED_MAX_BUFFERS];
 	TextBuffer buffers[TED_MAX_BUFFERS];
+	// config file strings
+	u32 nstrings;
+	char *strings[TED_MAX_STRINGS];
 	char window_title[256];
 	char error[512];
 	char error_shown[512]; // error display in box on screen
-- 
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