aboutsummaryrefslogtreecommitdiff
path: root/src/Infobox/UnitConversion.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/Infobox/UnitConversion.c')
-rw-r--r--src/Infobox/UnitConversion.c394
1 files changed, 197 insertions, 197 deletions
diff --git a/src/Infobox/UnitConversion.c b/src/Infobox/UnitConversion.c
index 6a08b9c..933dd71 100644
--- a/src/Infobox/UnitConversion.c
+++ b/src/Infobox/UnitConversion.c
@@ -82,24 +82,24 @@ static const UnitDef *find_unit(const char *str) {
size_t j = 0;
for (size_t i = 0; i < len && j < 63; i++) {
- if ((unsigned char)str[i] == 0xC2 && (unsigned char)str[i+1] == 0xB0) {
- i++;
- continue;
- }
- if (str[i] == '^' && i + 1 < len && str[i + 1] == '2') {
- normalized[j++] = '2';
- i++;
- continue;
- }
- normalized[j++] = tolower((unsigned char)str[i]);
+ if ((unsigned char)str[i] == 0xC2 && (unsigned char)str[i+1] == 0xB0) {
+ i++;
+ continue;
+ }
+ if (str[i] == '^' && i + 1 < len && str[i + 1] == '2') {
+ normalized[j++] = '2';
+ i++;
+ continue;
+ }
+ normalized[j++] = tolower((unsigned char)str[i]);
}
normalized[j] = '\0';
for (int i = 0; i < UNIT_COUNT; i++) {
- if (strcmp(normalized, UNITS[i].name) == 0) return &UNITS[i];
- for (int k = 0; k < 4 && UNITS[i].alias[k]; k++) {
- if (strcmp(normalized, UNITS[i].alias[k]) == 0) return &UNITS[i];
- }
+ if (strcmp(normalized, UNITS[i].name) == 0) return &UNITS[i];
+ for (int k = 0; k < 4 && UNITS[i].alias[k]; k++) {
+ if (strcmp(normalized, UNITS[i].alias[k]) == 0) return &UNITS[i];
+ }
}
return NULL;
}
@@ -108,37 +108,37 @@ int is_unit_conv_query(const char *query) {
if (!query) return 0;
const char *patterns[] = {
- " to ", " in ", " into ",
- " = ", " equals ", " equal ",
- " convert ", " conversion ",
- " -> ", " → ",
- NULL
+ " to ", " in ", " into ",
+ " = ", " equals ", " equal ",
+ " convert ", " conversion ",
+ " -> ", " → ",
+ NULL
};
int has_pattern = 0;
for (int i = 0; patterns[i]; i++) {
- if (strstr(query, patterns[i])) {
- has_pattern = 1;
- break;
- }
+ if (strstr(query, patterns[i])) {
+ has_pattern = 1;
+ break;
+ }
}
if (!has_pattern) {
- const char *last_space = strrchr(query, ' ');
- if (last_space) {
- const UnitDef *u = find_unit(last_space + 1);
- if (u) {
- const char *before = query;
- while (*before && is_whitespace(*before)) before++;
- const char *num_end = before;
- while (*num_end &&
- (isdigit(*num_end) || *num_end == '.' || *num_end == '-' ||
- *num_end == '+' || *num_end == '/' || *num_end == '\'' || *num_end == '"')) {
- num_end++;
- }
- if (num_end > before) has_pattern = 1;
- }
+ const char *last_space = strrchr(query, ' ');
+ if (last_space) {
+ const UnitDef *u = find_unit(last_space + 1);
+ if (u) {
+ const char *before = query;
+ while (*before && is_whitespace(*before)) before++;
+ const char *num_end = before;
+ while (*num_end &&
+ (isdigit(*num_end) || *num_end == '.' || *num_end == '-' ||
+ *num_end == '+' || *num_end == '/' || *num_end == '\'' || *num_end == '"')) {
+ num_end++;
}
+ if (num_end > before) has_pattern = 1;
+ }
+ }
}
return has_pattern;
@@ -153,58 +153,58 @@ static double parse_value(const char **ptr) {
if (*p == '-' || *p == '+') p++;
while (*p >= '0' && *p <= '9') {
- value = value * 10 + (*p - '0');
- has_num = 1;
- p++;
+ value = value * 10 + (*p - '0');
+ has_num = 1;
+ p++;
}
if (*p == '.') {
+ p++;
+ double frac = 0.1;
+ while (*p >= '0' && *p <= '9') {
+ value += (*p - '0') * frac;
+ frac *= 0.1;
+ has_num = 1;
p++;
- double frac = 0.1;
- while (*p >= '0' && *p <= '9') {
- value += (*p - '0') * frac;
- frac *= 0.1;
- has_num = 1;
- p++;
- }
+ }
}
if (*p == '/' && has_num) {
+ p++;
+ double denom = 0.0;
+ int has_denom = 0;
+ while (*p >= '0' && *p <= '9') {
+ denom = denom * 10 + (*p - '0');
+ has_denom = 1;
p++;
- double denom = 0.0;
- int has_denom = 0;
- while (*p >= '0' && *p <= '9') {
- denom = denom * 10 + (*p - '0');
- has_denom = 1;
- p++;
- }
- if (has_denom && denom > 0) {
- value = value / denom;
- }
+ }
+ if (has_denom && denom > 0) {
+ value = value / denom;
+ }
}
while (*p == '\'' || *p == '"') {
- double extra = 0.0;
+ double extra = 0.0;
+ p++;
+ while (*p >= '0' && *p <= '9') {
+ extra = extra * 10 + (*p - '0');
+ p++;
+ }
+ if (*p == '.') {
p++;
+ double frac = 0.1;
while (*p >= '0' && *p <= '9') {
- extra = extra * 10 + (*p - '0');
- p++;
- }
- if (*p == '.') {
- p++;
- double frac = 0.1;
- while (*p >= '0' && *p <= '9') {
- extra += (*p - '0') * frac;
- frac *= 0.1;
- p++;
- }
+ extra += (*p - '0') * frac;
+ frac *= 0.1;
+ p++;
}
- if (*p == '\'' || *p == '"') p++;
- value += extra * (p[-1] == '\'' ? 0.3048 : 0.0254);
+ }
+ if (*p == '\'' || *p == '"') p++;
+ value += extra * (p[-1] == '\'' ? 0.3048 : 0.0254);
}
if (!has_num) {
- *ptr = p;
- return 0.0;
+ *ptr = p;
+ return 0.0;
}
*ptr = p;
@@ -235,29 +235,29 @@ static int parse_conversion_query(const char *query, double *value, const UnitDe
const char *to_pos = NULL;
size_t keyword_len = 0;
for (int i = 0; to_keywords[i]; i++) {
- const char *found = strstr(p, to_keywords[i]);
- if (found) {
- to_pos = found + strlen(to_keywords[i]);
- keyword_len = strlen(to_keywords[i]);
- break;
- }
+ const char *found = strstr(p, to_keywords[i]);
+ if (found) {
+ to_pos = found + strlen(to_keywords[i]);
+ keyword_len = strlen(to_keywords[i]);
+ break;
+ }
}
if (!to_pos) {
- const char *last_space = strrchr(p, ' ');
- if (last_space && last_space > p) {
- char from_part[64] = {0};
- size_t len = last_space - p;
- if (len < 63) {
- strncpy(from_part, p, len);
- *from_unit = find_unit(from_part);
- if (*from_unit) {
- *to_unit = find_unit(last_space + 1);
- return *to_unit ? 1 : 0;
- }
- }
+ const char *last_space = strrchr(p, ' ');
+ if (last_space && last_space > p) {
+ char from_part[64] = {0};
+ size_t len = last_space - p;
+ if (len < 63) {
+ strncpy(from_part, p, len);
+ *from_unit = find_unit(from_part);
+ if (*from_unit) {
+ *to_unit = find_unit(last_space + 1);
+ return *to_unit ? 1 : 0;
+ }
}
- return 0;
+ }
+ return 0;
}
char from_part[64] = {0};
@@ -271,20 +271,20 @@ static int parse_conversion_query(const char *query, double *value, const UnitDe
*from_unit = find_unit(from_part);
if (!*from_unit) {
- char *end = from_part + strlen(from_part);
- while (end > from_part) {
- while (end > from_part && is_whitespace(end[-1])) end--;
- if (end <= from_part) break;
- char *start = end;
- while (start > from_part && !is_whitespace(start[-1])) start--;
- size_t word_len = end - start;
- memmove(from_part + word_len + 1, from_part, start - from_part);
- from_part[word_len] = ' ';
- from_part[word_len + 1] = '\0';
- *from_unit = find_unit(from_part);
- if (*from_unit) break;
- end = start;
- }
+ char *end = from_part + strlen(from_part);
+ while (end > from_part) {
+ while (end > from_part && is_whitespace(end[-1])) end--;
+ if (end <= from_part) break;
+ char *start = end;
+ while (start > from_part && !is_whitespace(start[-1])) start--;
+ size_t word_len = end - start;
+ memmove(from_part + word_len + 1, from_part, start - from_part);
+ from_part[word_len] = ' ';
+ from_part[word_len + 1] = '\0';
+ *from_unit = find_unit(from_part);
+ if (*from_unit) break;
+ end = start;
+ }
}
if (!*from_unit) return 0;
@@ -297,30 +297,30 @@ static int parse_conversion_query(const char *query, double *value, const UnitDe
size_t to_len = 0;
const char *tp = to_pos;
while (*tp && !is_separator(*tp) && to_len < 63) {
- to_part[to_len++] = *tp++;
+ to_part[to_len++] = *tp++;
}
to_part[to_len] = '\0';
*to_unit = find_unit(to_part);
if (!*to_unit) {
- const char *try_ptr = to_pos;
- while (*try_ptr && is_whitespace(*try_ptr)) try_ptr++;
- char try_buf[64] = {0};
- size_t try_len = 0;
- while (*try_ptr && try_len < 63) {
- try_buf[try_len++] = *try_ptr++;
- }
- while (try_len > 0) {
- *to_unit = find_unit(try_buf);
- if (*to_unit) {
- strcpy(to_part, try_buf);
- break;
- }
- char *last_space = strrchr(try_buf, ' ');
- if (!last_space) break;
- *last_space = '\0';
- try_len = strlen(try_buf);
+ const char *try_ptr = to_pos;
+ while (*try_ptr && is_whitespace(*try_ptr)) try_ptr++;
+ char try_buf[64] = {0};
+ size_t try_len = 0;
+ while (*try_ptr && try_len < 63) {
+ try_buf[try_len++] = *try_ptr++;
+ }
+ while (try_len > 0) {
+ *to_unit = find_unit(try_buf);
+ if (*to_unit) {
+ strcpy(to_part, try_buf);
+ break;
}
+ char *last_space = strrchr(try_buf, ' ');
+ if (!last_space) break;
+ *last_space = '\0';
+ try_len = strlen(try_buf);
+ }
}
return *to_unit ? 1 : 0;
@@ -343,7 +343,7 @@ static double convert_value(double value, const UnitDef *from, const UnitDef *to
if (from->type != to->type) return 0;
if (from->type == UNIT_TEMP) {
- return convert_temp(value, from, to);
+ return convert_temp(value, from, to);
}
double base_value = value * from->to_base;
@@ -353,23 +353,23 @@ static double convert_value(double value, const UnitDef *from, const UnitDef *to
static void format_number(double val, char *buf, size_t bufsize) {
if (bufsize == 0) return;
if (val == 0) {
- snprintf(buf, bufsize, "0");
- return;
+ snprintf(buf, bufsize, "0");
+ return;
}
if (fabs(val) < 0.01 && fabs(val) > 0) {
- snprintf(buf, bufsize, "%.2g", val);
+ snprintf(buf, bufsize, "%.2g", val);
} else if (fabs(val) < 1) {
- snprintf(buf, bufsize, "%.2f", val);
- char *p = buf + strlen(buf) - 1;
- while (p > buf && *p == '0') *p-- = '\0';
- if (*p == '.') *p = '\0';
+ snprintf(buf, bufsize, "%.2f", val);
+ char *p = buf + strlen(buf) - 1;
+ while (p > buf && *p == '0') *p-- = '\0';
+ if (*p == '.') *p = '\0';
} else if (fmod(val + 0.0001, 1.0) < 0.0002) {
- snprintf(buf, bufsize, "%.0f", val);
+ snprintf(buf, bufsize, "%.0f", val);
} else {
- snprintf(buf, bufsize, "%.2f", val);
- char *p = buf + strlen(buf) - 1;
- while (p > buf && *p == '0') *p-- = '\0';
- if (*p == '.') *p = '\0';
+ snprintf(buf, bufsize, "%.2f", val);
+ char *p = buf + strlen(buf) - 1;
+ while (p > buf && *p == '0') *p-- = '\0';
+ if (*p == '.') *p = '\0';
}
}
@@ -383,74 +383,74 @@ static const char *pluralize(const char *unit, double value, char *buf, size_t b
buf[bufsize - 1] = '\0';
if (strcmp(unit, "foot") == 0 || strcmp(unit, "square foot") == 0) {
- if (is_one) strcpy(buf, unit);
- else strcpy(buf, strcmp(unit, "square foot") == 0 ? "square feet" : "feet");
- return buf;
+ if (is_one) strcpy(buf, unit);
+ else strcpy(buf, strcmp(unit, "square foot") == 0 ? "square feet" : "feet");
+ return buf;
}
if (strcmp(unit, "inch") == 0 || strcmp(unit, "square inch") == 0) {
- if (is_one) strcpy(buf, unit);
- else strcpy(buf, strcmp(unit, "square inch") == 0 ? "square inches" : "inches");
- return buf;
+ if (is_one) strcpy(buf, unit);
+ else strcpy(buf, strcmp(unit, "square inch") == 0 ? "square inches" : "inches");
+ return buf;
}
if (strcmp(unit, "stone") == 0) {
- if (is_one) strcpy(buf, "stone");
- else strcpy(buf, "stones");
- return buf;
+ if (is_one) strcpy(buf, "stone");
+ else strcpy(buf, "stones");
+ return buf;
}
if (strcmp(unit, "celsius") == 0 ||
- strcmp(unit, "fahrenheit") == 0 ||
- strcmp(unit, "kelvin") == 0) {
- strcpy(buf, unit);
- return buf;
+ strcmp(unit, "fahrenheit") == 0 ||
+ strcmp(unit, "kelvin") == 0) {
+ strcpy(buf, unit);
+ return buf;
}
if (unit[len-1] == 's' ||
- unit[len-1] == 'x' ||
- unit[len-1] == 'z' ||
- (len >= 2 && unit[len-2] == 'c' && unit[len-1] == 'h') ||
- (len >= 2 && unit[len-2] == 's' && unit[len-1] == 'h')) {
- if (!is_one) {
- buf[len] = 'e';
- buf[len+1] = '\0';
- }
+ unit[len-1] == 'x' ||
+ unit[len-1] == 'z' ||
+ (len >= 2 && unit[len-2] == 'c' && unit[len-1] == 'h') ||
+ (len >= 2 && unit[len-2] == 's' && unit[len-1] == 'h')) {
+ if (!is_one) {
+ buf[len] = 'e';
+ buf[len+1] = '\0';
+ }
} else if (unit[len-1] == 'y' && len >= 2 &&
- !(unit[len-2] == 'a' || unit[len-2] == 'e' ||
- unit[len-2] == 'i' || unit[len-2] == 'o' ||
- unit[len-2] == 'u')) {
- if (is_one) {
- buf[len-1] = '\0';
- } else {
- buf[len] = 's';
- buf[len+1] = '\0';
- }
+ !(unit[len-2] == 'a' || unit[len-2] == 'e' ||
+ unit[len-2] == 'i' || unit[len-2] == 'o' ||
+ unit[len-2] == 'u')) {
+ if (is_one) {
+ buf[len-1] = '\0';
+ } else {
+ buf[len] = 's';
+ buf[len+1] = '\0';
+ }
} else if (len >= 2 && unit[len-2] == 'f' && unit[len-1] == 'e') {
- if (is_one) {
- buf[len-2] = '\0';
- } else {
- buf[len-1] = 's';
- buf[len] = '\0';
- }
+ if (is_one) {
+ buf[len-2] = '\0';
+ } else {
+ buf[len-1] = 's';
+ buf[len] = '\0';
+ }
} else if (unit[len-1] == 'f' && len >= 1) {
- if (is_one) {
- buf[len-1] = '\0';
- } else {
- buf[len-1] = 'v';
- buf[len] = 'e';
- buf[len+1] = 's';
- buf[len+2] = '\0';
- }
+ if (is_one) {
+ buf[len-1] = '\0';
+ } else {
+ buf[len-1] = 'v';
+ buf[len] = 'e';
+ buf[len+1] = 's';
+ buf[len+2] = '\0';
+ }
} else if (unit[len-1] == 'e' && len >= 2 && unit[len-2] == 'f') {
- if (is_one) {
- buf[len-2] = '\0';
- } else {
- buf[len-1] = 's';
- buf[len] = '\0';
- }
+ if (is_one) {
+ buf[len-2] = '\0';
} else {
- if (!is_one) {
- buf[len] = 's';
- buf[len+1] = '\0';
- }
+ buf[len-1] = 's';
+ buf[len] = '\0';
+ }
+ } else {
+ if (!is_one) {
+ buf[len] = 's';
+ buf[len+1] = '\0';
+ }
}
return buf;
@@ -466,12 +466,12 @@ static char *build_html(double value, const UnitDef *from, double result, const
pluralize(to->name, result, to_name_buf, sizeof(to_name_buf));
int n = snprintf(html, sizeof(html),
- "<div class='unit-conv-container' style='line-height: 1.6;'>"
- "<div style='font-size: 1.3em; margin-bottom: 8px;'>"
- "<b>%s %s</b> = <b>%s %s</b>"
- "</div>",
- val_buf, from_name_buf,
- res_buf, to_name_buf);
+ "<div class='unit-conv-container' style='line-height: 1.6;'>"
+ "<div style='font-size: 1.3em; margin-bottom: 8px;'>"
+ "<b>%s %s</b> = <b>%s %s</b>"
+ "</div>",
+ val_buf, from_name_buf,
+ res_buf, to_name_buf);
snprintf(html + n, sizeof(html) - n, "</div>");
return html;
}
generated by cgit v1.2.3 (git 2.39.1) at 2026-03-10 02:44:23 +0000