aboutsummaryrefslogtreecommitdiff
path: root/src/Infobox/Calculator.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/Infobox/Calculator.c')
-rw-r--r--src/Infobox/Calculator.c41
1 files changed, 22 insertions, 19 deletions
diff --git a/src/Infobox/Calculator.c b/src/Infobox/Calculator.c
index 22563f7..16bc4fa 100644
--- a/src/Infobox/Calculator.c
+++ b/src/Infobox/Calculator.c
@@ -1,9 +1,9 @@
#include "Calculator.h"
+#include <ctype.h>
+#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <math.h>
-#include <ctype.h>
static char logic_log[4096];
@@ -15,7 +15,8 @@ typedef struct {
static double parse_expression(Parser *p);
static void skip_ws(Parser *p) {
- while (p->buffer[p->pos] == ' ') p->pos++;
+ while (p->buffer[p->pos] == ' ')
+ p->pos++;
}
static double parse_factor(Parser *p) {
@@ -27,7 +28,8 @@ static double parse_factor(Parser *p) {
if (p->buffer[p->pos] == '(') {
p->pos++;
double res = parse_expression(p);
- if (p->buffer[p->pos] == ')') p->pos++;
+ if (p->buffer[p->pos] == ')')
+ p->pos++;
return res;
}
char *endptr;
@@ -50,7 +52,7 @@ static double parse_term(Parser *p) {
char step[256];
snprintf(step, sizeof(step), "<div>%g %c %g = <b>%g</b></div>", old, op,
- right, left);
+ right, left);
strncat(logic_log, step, sizeof(logic_log) - strlen(logic_log) - 1);
} else
break;
@@ -72,7 +74,7 @@ static double parse_expression(Parser *p) {
char step[256];
snprintf(step, sizeof(step), "<div>%g %c %g = <b>%g</b></div>", old, op,
- right, left);
+ right, left);
strncat(logic_log, step, sizeof(logic_log) - strlen(logic_log) - 1);
} else
break;
@@ -82,33 +84,34 @@ static double parse_expression(Parser *p) {
double evaluate(const char *expr) {
logic_log[0] = '\0';
- if (!expr || strlen(expr) == 0) return 0.0;
+ if (!expr || strlen(expr) == 0)
+ return 0.0;
Parser p = {expr, 0};
return parse_expression(&p);
}
InfoBox fetch_calc_data(char *math_input) {
InfoBox info = {NULL, NULL, NULL, NULL};
- if (!math_input) return info;
+ if (!math_input)
+ return info;
double result = evaluate(math_input);
char html_output[5120];
snprintf(html_output, sizeof(html_output),
- "<div class='calc-container' style='line-height: 1.6;'>"
- "%s"
- "<div style='margin-top: 8px; border-top: 1px solid #eee; "
- "padding-top: 8px; font-size: 1.2em;'>"
- "<b>%g</b>"
- "</div>"
- "</div>",
- strlen(logic_log) > 0 ? logic_log : "<div>Constant value</div>",
- result);
+ "<div class='calc-container' style='line-height: 1.6;'>"
+ "%s"
+ "<div style='margin-top: 8px; border-top: 1px solid #eee; "
+ "padding-top: 8px; font-size: 1.2em;'>"
+ "<b>%g</b>"
+ "</div>"
+ "</div>",
+ strlen(logic_log) > 0 ? logic_log : "<div>Constant value</div>",
+ result);
info.title = strdup("Calculation");
info.extract = strdup(html_output);
- info.thumbnail_url =
- strdup("/static/calculation.svg");
+ info.thumbnail_url = strdup("/static/calculation.svg");
info.url = strdup("#");
return info;