From 52422d4ce9f00f225814687618e9aa08698a1828 Mon Sep 17 00:00:00 2001
From: Brandon Rodriguez <brodriguez8774@gmail.com>
Date: Wed, 10 Feb 2021 09:01:00 -0500
Subject: [PATCH] Add helper commands to navigate terminal
---
documents/references.md | 7 +++
makefile | 2 +-
src/main.c | 9 ++--
src/simulate_loads.c | 1 +
src/terminal_commands.c | 102 ++++++++++++++++++++++++++++++++++++++++
src/terminal_commands.h | 23 +++++++++
6 files changed, 139 insertions(+), 5 deletions(-)
create mode 100644 src/terminal_commands.c
create mode 100644 src/terminal_commands.h
diff --git a/documents/references.md b/documents/references.md
index ab04805..d999b70 100644
--- a/documents/references.md
+++ b/documents/references.md
@@ -26,3 +26,10 @@ Most parallelization logic is from the book "Introduction to Parallel Programmin
### Other
#### strtol Function
<https://www.tutorialspoint.com/c_standard_library/c_function_strtol.htm>
+
+#### Pointer to Pointer
+<https://www.tutorialspoint.com/cprogramming/c_pointer_to_pointer.htm>
+
+#### Moving Cursor in Terminal
+<https://stackoverflow.com/a/35190285>
+<https://tldp.org/HOWTO/Bash-Prompt-HOWTO/x361.html>
diff --git a/makefile b/makefile
index f98ed0e..55bfd53 100644
--- a/makefile
+++ b/makefile
@@ -1,3 +1,3 @@
all:
- gcc -Wall -Wpedantic -std=c99 src/main.c src/structs.c src/simulate_loads.c -g -o main.out -pthread
+ gcc -Wall -Wpedantic -std=c99 src/main.c src/structs.c src/simulate_loads.c src/terminal_commands.c -g -o main.out -pthread
diff --git a/src/main.c b/src/main.c
index 6c86b1a..d512d6b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -18,6 +18,7 @@
#define user_headers
#include "simulate_loads.h"
#include "structs.h"
+ #include "terminal_commands.h"
#endif
@@ -93,8 +94,8 @@ void validate_args(int argc, char* argv[]) {
// Validate "indexes_per_load" value. Should be between 100 and 10,000.
indexes_per_load = strtol(argv[2], NULL, 10);
- if ((indexes_per_load < 100) || (indexes_per_load > 10000)) {
- printf("Arg2 (indexes_per_load) should be int between 100 and 10,000.\n");
+ if ((indexes_per_load < 10) || (indexes_per_load > 10000)) {
+ printf("Arg2 (indexes_per_load) should be int between 10 and 10,000.\n");
printf("\n");
printf("Terminating program.\n");
exit(1);
@@ -102,8 +103,8 @@ void validate_args(int argc, char* argv[]) {
// Validate "total_loads" value. Should be between 100 and 10,000.
total_loads = strtol(argv[3], NULL, 10);
- if ((total_loads < 100) || (total_loads > 10000)) {
- printf("Arg3 (total_loads) should be int between 100 and 10,000.\n");
+ if ((total_loads < 10) || (total_loads > 10000)) {
+ printf("Arg3 (total_loads) should be int between 10 and 10,000.\n");
printf("\n");
printf("Terminating program.\n");
exit(1);
diff --git a/src/simulate_loads.c b/src/simulate_loads.c
index ea3a6d4..5d3cb5d 100644
--- a/src/simulate_loads.c
+++ b/src/simulate_loads.c
@@ -8,6 +8,7 @@
#define user_headers
#include "simulate_loads.h"
#include "structs.h"
+ #include "terminal_commands.h"
#endif
diff --git a/src/terminal_commands.c b/src/terminal_commands.c
new file mode 100644
index 0000000..a44a46b
--- /dev/null
+++ b/src/terminal_commands.c
@@ -0,0 +1,102 @@
+/**
+ * File for terminal logic.
+ *
+ * Note that all of these are in relation to the line the cursor is currently on.
+ */
+
+// User Import Headers.
+#ifndef user_headers
+ #define user_headers
+ #include "simulate_loads.h"
+ #include "structs.h"
+ #include "terminal_commands.h"
+#endif
+
+
+/**
+ * Move to start of current line.
+ * Note that this does not erase, but any output will write over the respective character.
+ */
+void terminal_line_start() {
+ printf("\r");
+}
+
+
+/**
+ * Move to end of current line.
+ * Note that th is does appear to erase, from where cursor was, up until end of line.
+ */
+void terminal_line_end() {
+ printf("\033[K");
+}
+
+
+/**
+ * Moves cursor up one single line.
+ * Cursor will stay at the current column place.
+ */
+void terminal_line_up() {
+ printf("\033[A");
+}
+
+
+/**
+ * Moves cursor down one single line.
+ * Cursor will stay at the current column place.
+ */
+void terminal_line_down() {
+ printf("\033[B");
+}
+
+
+/**
+ * Moves curor left by one place.
+ */
+void terminal_arrow_left() {
+ printf("\033[D");
+}
+
+
+/**
+ * Moves cursor right by one place.
+ */
+void terminal_arrow_right() {
+ printf("\033[C");
+}
+
+
+/**
+ * Erases entire line cursor is on, and moves cursor back to start of line.
+ */
+void terminal_line_erase() {
+ printf("\33[2K");
+ terminal_line_start();
+}
+
+
+/**
+ * Prints full Lorem Ipsum paragraph, with no break characters.
+ */
+void print_lorem_ipsum_paragraph() {
+ printf("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque tristique lacus vitae pharetra"
+ "lacinia. Cras eu odio eros. Aliquam erat volutpat. Pellentesque habitant morbi tristique senectus et netus "
+ "et malesuada fames ac turpis egestas. Mauris neque lacus, tristique eu arcu vel, auctor vehicula sapien. "
+ "Cras blandit pretium aliquam. Integer malesuada, purus eget interdum placerat, est ipsum auctor lorem, quis"
+ " mattis magna libero in neque. Morbi eget nunc lobortis, venenatis purus ac, mollis diam.");
+}
+
+
+/**
+ * Prints full Lorem Ipsum paragraph, with each sentence on its own line.
+ */
+void print_lorem_ipsum_lines() {
+ printf("Lorem ipsum dolor sit amet, consectetur adipiscing elit.\n");
+ printf("Pellentesque tristique lacus vitae pharetra lacinia.\n");
+ printf("Cras eu odio eros.\n");
+ printf("Aliquam erat volutpat.\n");
+ printf("Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas.\n");
+ printf("Mauris neque lacus, tristique eu arcu vel, auctor vehicula sapien.\n");
+ printf("Cras blandit pretium aliquam.\n");
+ printf("Integer malesuada, purus eget interdum placerat, est ipsum auctor lorem, quis mattis magna libero in neque.\n");
+ printf("Morbi eget nunc lobortis, venenatis purus ac, mollis diam.\n");
+}
diff --git a/src/terminal_commands.h b/src/terminal_commands.h
new file mode 100644
index 0000000..8a9aca6
--- /dev/null
+++ b/src/terminal_commands.h
@@ -0,0 +1,23 @@
+/**
+ * Header file for project terminal logic.
+ */
+
+
+// System Import Headers.
+#include <ctype.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+// Function Prototypes.
+void terminal_line_start();
+void terminal_line_end();
+void terminal_line_up();
+void terminal_line_down();
+void terminal_arrow_left();
+void terminal_arrow_right();
+void terminal_line_erase();
+void print_lorem_ipsum_paragraph();
+void print_lorem_ipsum_lines();
--
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