diff options
Diffstat (limited to 'src/web_buffer_svg.c')
| -rw-r--r-- | src/web_buffer_svg.c | 332 |
1 files changed, 231 insertions, 101 deletions
diff --git a/src/web_buffer_svg.c b/src/web_buffer_svg.c index cac365ab1..2591799d4 100644 --- a/src/web_buffer_svg.c +++ b/src/web_buffer_svg.c @@ -368,10 +368,226 @@ cleanup: return len - i; } -static inline const char *fix_units(const char *units) { - if(!units || !*units || !strcmp(units, "empty") || !strcmp(units, "null")) return ""; - if(!strcmp(units, "percentage") || !strcmp(units, "percent") || !strcmp(units, "pcent")) return "%"; - return units; +static inline char *format_value_with_precision_and_unit(char *value_string, size_t value_string_len, calculated_number value, const char *units, int precision) { + if(unlikely(isnan(value) || isinf(value))) + value = 0.0; + + char *separator = ""; + if(unlikely(isalnum(*units))) + separator = " "; + + if(precision < 0) { + int len, lstop = 0, trim_zeros = 1; + + calculated_number abs = value; + if(isless(value, 0)) { + lstop = 1; + abs = -value; + } + + if(isgreaterequal(abs, 1000)) { + len = snprintfz(value_string, value_string_len, "%0.0Lf", (long double) value); + trim_zeros = 0; + } + else if(isgreaterequal(abs, 10)) len = snprintfz(value_string, value_string_len, "%0.1Lf", (long double) value); + else if(isgreaterequal(abs, 1)) len = snprintfz(value_string, value_string_len, "%0.2Lf", (long double) value); + else if(isgreaterequal(abs, 0.1)) len = snprintfz(value_string, value_string_len, "%0.2Lf", (long double) value); + else len = snprintfz(value_string, value_string_len, "%0.4Lf", (long double) value); + + if(unlikely(trim_zeros)) { + int l; + // remove trailing zeros from the decimal part + for(l = len - 1; l > lstop; l--) { + if(likely(value_string[l] == '0')) { + value_string[l] = '\0'; + len--; + } + + else if(unlikely(value_string[l] == '.')) { + value_string[l] = '\0'; + len--; + break; + } + + else + break; + } + } + + if(unlikely(len <= 0)) len = 1; + snprintfz(&value_string[len], value_string_len - len, "%s%s", separator, units); + } + else { + if(precision > 50) precision = 50; + snprintfz(value_string, value_string_len, "%0.*Lf%s%s", precision, (long double) value, separator, units); + } + + return value_string; +} + +inline char *format_value_and_unit(char *value_string, size_t value_string_len, calculated_number value, const char *units, int precision) { + static uint32_t + hash_seconds = 0, + hash_seconds_ago = 0, + hash_minutes = 0, + hash_minutes_ago = 0, + hash_hours = 0, + hash_hours_ago = 0, + hash_onoff = 0, + hash_updown = 0, + hash_okerror = 0, + hash_okfailed = 0, + hash_empty = 0, + hash_null = 0, + hash_percentage = 0, + hash_percent = 0, + hash_pcent = 0; + + if(unlikely(!hash_seconds)) { + hash_seconds = simple_hash("seconds"); + hash_seconds_ago = simple_hash("seconds ago"); + hash_minutes = simple_hash("minutes"); + hash_minutes_ago = simple_hash("minutes ago"); + hash_hours = simple_hash("hours"); + hash_hours_ago = simple_hash("hours ago"); + hash_onoff = simple_hash("on/off"); + hash_updown = simple_hash("up/down"); + hash_okerror = simple_hash("ok/error"); + hash_okfailed = simple_hash("ok/failed"); + hash_empty = simple_hash("empty"); + hash_null = simple_hash("null"); + hash_percentage = simple_hash("percentage"); + hash_percent = simple_hash("percent"); + hash_pcent = simple_hash("pcent"); + } + + if(unlikely(!units)) units = ""; + + uint32_t hash_units = simple_hash(units); + + if(unlikely((hash_units == hash_seconds && !strcmp(units, "seconds")) || (hash_units == hash_seconds_ago && !strcmp(units, "seconds ago")))) { + if(value == 0.0) { + snprintfz(value_string, value_string_len, "%s", "now"); + return value_string; + } + else if(isnan(value) || isinf(value)) { + snprintfz(value_string, value_string_len, "%s", "never"); + return value_string; + } + + const char *suffix = (hash_units == hash_seconds_ago)?" ago":""; + + size_t s = (size_t)value; + size_t d = s / 86400; + s = s % 86400; + + size_t h = s / 3600; + s = s % 3600; + + size_t m = s / 60; + s = s % 60; + + if(d) + snprintfz(value_string, value_string_len, "%zu %s %02zu:%02zu:%02zu%s", d, (d == 1)?"day":"days", h, m, s, suffix); + else + snprintfz(value_string, value_string_len, "%02zu:%02zu:%02zu%s", h, m, s, suffix); + + return value_string; + } + + else if(unlikely((hash_units == hash_minutes && !strcmp(units, "minutes")) || (hash_units == hash_minutes_ago && !strcmp(units, "minutes ago")))) { + if(value == 0.0) { + snprintfz(value_string, value_string_len, "%s", "now"); + return value_string; + } + else if(isnan(value) || isinf(value)) { + snprintfz(value_string, value_string_len, "%s", "never"); + return value_string; + } + + const char *suffix = (hash_units == hash_minutes_ago)?" ago":""; + + size_t m = (size_t)value; + size_t d = m / (60 * 24); + m = m % (60 * 24); + + size_t h = m / 60; + m = m % 60; + + if(d) + snprintfz(value_string, value_string_len, "%zud %02zuh %02zum%s", d, h, m, suffix); + else + snprintfz(value_string, value_string_len, "%zuh %zum%s", h, m, suffix); + + return value_string; + } + + else if(unlikely((hash_units == hash_hours && !strcmp(units, "hours")) || (hash_units == hash_hours_ago && !strcmp(units, "hours ago")))) { + if(value == 0.0) { + snprintfz(value_string, value_string_len, "%s", "now"); + return value_string; + } + else if(isnan(value) || isinf(value)) { + snprintfz(value_string, value_string_len, "%s", "never"); + return value_string; + } + + const char *suffix = (hash_units == hash_hours_ago)?" ago":""; + + size_t h = (size_t)value; + size_t d = h / 24; + h = h % 24; + + if(d) + snprintfz(value_string, value_string_len, "%zud %zuh%s", d, h, suffix); + else + snprintfz(value_string, value_string_len, "%zuh%s", h, suffix); + + return value_string; + } + + else if(unlikely(hash_units == hash_onoff && !strcmp(units, "on/off"))) { + snprintfz(value_string, value_string_len, "%s", (value != 0.0)?"on":"off"); + return value_string; + } + + else if(unlikely(hash_units == hash_updown && !strcmp(units, "up/down"))) { + snprintfz(value_string, value_string_len, "%s", (value != 0.0)?"up":"down"); + return value_string; + } + + else if(unlikely(hash_units == hash_okerror && !strcmp(units, "ok/error"))) { + snprintfz(value_string, value_string_len, "%s", (value != 0.0)?"ok":"error"); + return value_string; + } + + else if(unlikely(hash_units == hash_okfailed && !strcmp(units, "ok/failed"))) { + snprintfz(value_string, value_string_len, "%s", (value != 0.0)?"ok":"failed"); + return value_string; + } + + else if(unlikely(hash_units == hash_empty && !strcmp(units, "empty"))) + units = ""; + + else if(unlikely(hash_units == hash_null && !strcmp(units, "null"))) + units = ""; + + else if(unlikely(hash_units == hash_percentage && !strcmp(units, "percentage"))) + units = "%"; + + else if(unlikely(hash_units == hash_percent && !strcmp(units, "percent"))) + units = "%"; + + else if(unlikely(hash_units == hash_pcent && !strcmp(units, "pcent"))) + units = "%"; + + + if(unlikely(isnan(value) || isinf(value))) { + strcpy(value_string, "-"); + return value_string; + } + + return format_value_with_precision_and_unit(value_string, value_string_len, value, units, precision); } static inline const char *color_map(const char *color) { @@ -391,7 +607,13 @@ static inline const char *color_map(const char *color) { return color; } -static inline void calc_colorz(const char *color, char *final, size_t len, calculated_number value, int value_is_null) { +static inline void calc_colorz(const char *color, char *final, size_t len, calculated_number value) { + int value_is_null = 0; + if(isnan(value) || isinf(value)) { + value = 0.0; + value_is_null = 1; + } + char color_buffer[256 + 1] = ""; char value_buffer[256 + 1] = ""; char comparison = '>'; @@ -501,7 +723,7 @@ static inline void calc_colorz(const char *color, char *final, size_t len, calcu // colors #define COLOR_STRING_SIZE 100 -void buffer_svg(BUFFER *wb, const char *label, calculated_number value, const char *units, const char *label_color, const char *value_color, int value_is_null, int precision) { +void buffer_svg(BUFFER *wb, const char *label, calculated_number value, const char *units, const char *label_color, const char *value_color, int precision) { char label_buffer[LABEL_STRING_SIZE + 1] , value_color_buffer[COLOR_STRING_SIZE + 1] , value_string[VALUE_STRING_SIZE + 1] @@ -516,102 +738,10 @@ void buffer_svg(BUFFER *wb, const char *label, calculated_number value, const ch label_color = "#555"; if(unlikely(!value_color || !*value_color)) - value_color = (value_is_null)?"#999":"#4c1"; - - units = fix_units(units); - calc_colorz(value_color, value_color_buffer, COLOR_STRING_SIZE, value, value_is_null); - - char *separator = ""; - if(unlikely(isalnum(*units))) - separator = " "; - - if(unlikely(!strcmp(units, "seconds"))) { - size_t s = (size_t)value; - size_t d = s / 86400; - s = s % 86400; - - size_t h = s / 3600; - s = s % 3600; - - size_t m = s / 60; - s = s % 60; - - if(d) - snprintfz(value_string, VALUE_STRING_SIZE, "%zu %s %02zu:%02zu:%02zu", d, (d == 1)?"day":"days", h, m, s); - else - snprintfz(value_string, VALUE_STRING_SIZE, "%02zu:%02zu:%02zu", h, m, s); - } - - else if(unlikely(!strcmp(units, "minutes"))) { - size_t m = (size_t)value; - size_t d = m / (60 * 24); - m = m % (60 * 24); - - size_t h = m / 60; - m = m % 60; + value_color = (isnan(value) || isinf(value))?"#999":"#4c1"; - if(d) - snprintfz(value_string, VALUE_STRING_SIZE, "%zud %02zuh %02zum", d, h, m); - else - snprintfz(value_string, VALUE_STRING_SIZE, "%zuh %zum", h, m); - } - - else if(unlikely(!strcmp(units, "hours"))) { - size_t h = (size_t)value; - size_t d = h / 24; - h = h % 24; - - if(d) - snprintfz(value_string, VALUE_STRING_SIZE, "%zud %zuh", d, h); - else - snprintfz(value_string, VALUE_STRING_SIZE, "%zuh", h); - } - - else if(unlikely(value_is_null)) - strcpy(value_string, "-"); - - else if(precision < 0) { - int len, lstop = 0, trim_zeros = 1; - - calculated_number abs = value; - if(isless(value, 0)) { - lstop = 1; - abs = -value; - } - - if(isgreaterequal(abs, 1000)) { len = snprintfz(value_string, VALUE_STRING_SIZE, "%0.0Lf", (long double)value); trim_zeros = 0; } - else if(isgreaterequal(abs, 100)) len = snprintfz(value_string, VALUE_STRING_SIZE, "%0.1Lf", (long double)value); - else if(isgreaterequal(abs, 1)) len = snprintfz(value_string, VALUE_STRING_SIZE, "%0.2Lf", (long double)value); - else if(isgreaterequal(abs, 0.1)) len = snprintfz(value_string, VALUE_STRING_SIZE, "%0.3Lf", (long double)value); - else len = snprintfz(value_string, VALUE_STRING_SIZE, "%0.4Lf", (long double)value); - - if(unlikely(trim_zeros)) { - int l; - // remove trailing zeros from the decimal part - for(l = len - 1; l > lstop ; l--) { - if(likely(value_string[l] == '0')) { - value_string[l] = '\0'; - len--; - } - - else if(unlikely(value_string[l] == '.')) { - value_string[l] = '\0'; - len--; - break; - } - - else - break; - } - } - - if(len >= 0) - snprintfz(&value_string[len], VALUE_STRING_SIZE - len, "%s%s", separator, units); - } - else { - if(precision > 50) precision = 50; - snprintfz(value_string, VALUE_STRING_SIZE, "%0.*Lf%s%s", precision, (long double)value, separator, units); - } + calc_colorz(value_color, value_color_buffer, COLOR_STRING_SIZE, value); + format_value_and_unit(value_string, VALUE_STRING_SIZE, value, units, precision); // we need to copy the label, since verdana11_width may write to it strncpyz(label_buffer, label, LABEL_STRING_SIZE); |