Added c tool

3 files changed, 189 insertions, 0 deletions

diff --git a/tools/.clang-format b/tools/.clang-format
new file mode 100644
index 0000000..5ca25b8
--- /dev/null
+++ b/tools/.clang-format
@@ -0,0 +1,65 @@
+---
+Language:        Cpp
+# BasedOnStyle:  LLVM
+AccessModifierOffset: -2
+AlignAfterOpenBracket: true
+AlignEscapedNewlinesLeft: false
+AlignOperands:   true
+AlignTrailingComments: false
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: None
+AlwaysBreakAfterDefinitionReturnType: true
+AlwaysBreakTemplateDeclarations: false
+AlwaysBreakBeforeMultilineStrings: false
+BreakBeforeBinaryOperators: None
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BinPackParameters: true
+BinPackArguments: true
+ColumnLimit:     0
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+ConstructorInitializerIndentWidth: 4
+DerivePointerAlignment: false
+ExperimentalAutoDetectBinPacking: false
+IndentCaseLabels: false
+IndentWrappedFunctionNames: false
+IndentFunctionDeclarationAfterType: false
+MaxEmptyLinesToKeep: 1
+KeepEmptyLinesAtTheStartOfBlocks: true
+NamespaceIndentation: None
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 300
+PenaltyBreakString: 1000
+PenaltyBreakFirstLessLess: 120
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 60
+PointerAlignment: Left
+SpacesBeforeTrailingComments: 1
+Cpp11BracedListStyle: true
+Standard:        Cpp11
+IndentWidth:     8
+TabWidth:        8
+UseTab: ForIndentation
+BreakBeforeBraces: Linux
+SortIncludes: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+SpacesInAngles:  false
+SpaceInEmptyParentheses: false
+SpacesInCStyleCastParentheses: false
+SpaceAfterCStyleCast: false
+SpacesInContainerLiterals: true
+SpaceBeforeAssignmentOperators: true
+ContinuationIndentWidth: 4
+CommentPragmas:  '^ IWYU pragma:'
+ForEachMacros:   [ foreach, Q_FOREACH, BOOST_FOREACH ]
+SpaceBeforeParens: Never
+DisableFormat:   false
+...
diff --git a/tools/build.sh b/tools/build.sh
new file mode 100755
index 0000000..256b3c9
--- /dev/null
+++ b/tools/build.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+clang-format -i main.c
+
+# Linux
+cc -std=c89 -DDEBUG -Wall -Wpedantic -Wshadow -Wextra -Werror=implicit-int -Werror=incompatible-pointer-types -Werror=int-conversion -Wvla -g -Og -fsanitize=address -fsanitize=undefined -o main main.c
+
+# RPi
+# tcc -Wall main.c -o main
+
+# Plan9
+# pcc main.c -o main
+
+# ./main ../themes/apollo.svg
+
+cat ../themes/apollo.svg | ./main
+
+rm ./main
diff --git a/tools/main.c b/tools/main.c
new file mode 100644
index 0000000..20c92ce
--- /dev/null
+++ b/tools/main.c
@@ -0,0 +1,106 @@
+#include <stdio.h>
+
+#define BUFLEN 256
+
+int
+slen(char* s)
+{
+	int n = 0;
+	while(s[n] != '\0' && s[++n])
+		;
+	return n;
+}
+
+int
+cpos(char* s, char c)
+{
+	int i;
+	for(i = 0; i < slen(s); i++)
+		if(s[i] == c)
+			return i;
+	return -1;
+}
+
+void
+sstr(char* src, char* dest, int from, int to)
+{
+	int i;
+	char *a = (char*)src + from, *b = (char*)dest;
+	for(i = 0; i < to; i++)
+		b[i] = a[i];
+	dest[to] = '\0';
+}
+
+unsigned char
+chex(char c)
+{
+	if(c >= 'a' && c <= 'f')
+		return 10 + c - 'a';
+	if(c >= 'A' && c <= 'F')
+		return 10 + c - 'A';
+	return (c - '0') & 0xF;
+}
+
+unsigned long
+shex(char* s)
+{
+	int i, n = 0, l = slen(s);
+	for(i = 0; i < l; ++i)
+		n |= (chex(s[i]) << ((l - i - 1) * 4));
+	return n;
+}
+
+int
+error(char* name)
+{
+	printf("Error: %s\n", name);
+	return 0;
+}
+
+int
+scmp(char* a, char* b)
+{
+	int i, l = slen(a);
+	if(l != slen(b))
+		return 0;
+	for(i = 0; i < l; ++i)
+		if(a[i] != b[i])
+			return 0;
+	return 1;
+}
+
+int
+parse(FILE* f)
+{
+	int i, id = 0;
+	long theme[9];
+	char line[BUFLEN], hexs[BUFLEN];
+	while(fgets(line, BUFLEN, f)) {
+		int split = cpos(line, '#');
+		if(split < 0 || id > 9)
+			continue;
+		sstr(line, hexs, split, 7);
+		printf("%s ", hexs);
+		theme[id] = shex(hexs + 1);
+		id++;
+	}
+	if(id != 9)
+		return error("Invalid theme");
+	for(i = 0; i < 9; ++i) {
+		printf("%ld ", theme[i]);
+	}
+	return 1;
+}
+
+int
+main(int argc, char* argv[])
+{
+	FILE* input;
+	if(argc == 2) {
+		input = fopen(argv[1], "rb");
+		if(input == NULL)
+			return error("Invalid input.\n");
+	} else
+		input = stdin;
+	return parse(input);
+}
\ No newline at end of file