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Diffstat (limited to 'src/select/format_list_style.c')
-rw-r--r-- | src/select/format_list_style.c | 1229 |
1 files changed, 1229 insertions, 0 deletions
diff --git a/src/select/format_list_style.c b/src/select/format_list_style.c new file mode 100644 index 0000000..0e3a39e --- /dev/null +++ b/src/select/format_list_style.c @@ -0,0 +1,1229 @@ +/* + * This file is part of LibCSS + * Licensed under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + * Copyright 2021 Vincent Sanders <vince@netsurf-browser.org> + */ + +#include "select/propget.h" +#include "utils/utils.h" + +#define SYMBOL_SIZE 8 +typedef char symbol_t[SYMBOL_SIZE]; + +/** + * numeric representation of the value using a system + */ +struct numeric { + uint8_t *val; /* buffer containing the numeric values */ + size_t len; /* length of alen */ + size_t used; /* number of numeric values used */ + bool negative; /* if the value is negative */ +}; + +/** + * list counter style + */ +struct list_counter_style { + /** style name for debug purposes */ + const char *name; + /** function to calculate the system */ + css_error (*system)(int value, const struct list_counter_style *cstyle, struct numeric *nval); + /** fallback style if this system fails */ + const struct list_counter_style* fallback; + /** array of symbols which represent this style */ + const symbol_t *symbols; + /** symbol weights for additive schemes */ + const int *weights; + /** number of items in symbol and weight table */ + const size_t items; + /** range of acceptable values */ + struct { + const int start; /**< first acceptable value for this style */ + const int end; /**< last acceptable value for this style */ + } range; + + /** padding formatting */ + struct { + const unsigned int length; + const symbol_t value; + } pad; + /** negative value formating */ + struct { + const char *pre; + const char *post; + } negative; + /** prefix formatting */ + const char *prefix; + /** suffix formatting */ + const char *suffix; +}; + + +/** + * Copy a null-terminated UTF-8 string to buffer at offset, if there is space + * + * \param[in] buf The output buffer + * \param[in] buflen The length of \a buf + * \param[in] pos Current position in \a buf + * \param[in] str The string to copy into \a buf + * \return The number of bytes needed in the output buffer which may be + * larger than \a buflen but the buffer will not be overrun + */ +static inline size_t +copy_string(char *buf, const size_t buflen, size_t pos, const char *str) +{ + size_t sidx = 0; /* current string index */ + + while (str[sidx] != '\0') { + if (pos < buflen) { + buf[pos] = str[sidx]; + } + pos++; + sidx++; + } + + return sidx; +} + +/** + * Copy a UTF-8 symbol to buffer at offset, if there is space + * + * \param[in] buf The output buffer + * \param[in] buflen The length of \a buf + * \param[in] pos Current position in \a buf + * \param[in] symbol The symbol to copy into \a buf + * \return The number of bytes needed in the output buffer which may be + * larger than \a buflen but the buffer will not be overrun + */ +static inline size_t +copy_symbol(char *buf, const size_t buflen, size_t pos, const symbol_t symbol) +{ + size_t sidx = 0; /* current symbol index */ + + while ((sidx < sizeof(symbol_t)) && (symbol[sidx] != '\0')) { + if (pos < buflen) { + buf[pos] = symbol[sidx]; + } + pos++; + sidx++; + } + + return sidx; +} + +/** + * maps numeric values to output values with a symbol table + * + * Takes a list of numeric values and for each one outputs the + * compete symbol (in utf8) to an output buffer. + * + * \param buf The output buffer + * \param buflen the length of \a buf + * \param aval array of alphabet values + * \param alen The number of values in \a alen + * \param symtab The symbol table + * \param symtablen The number of symbols in \a symtab + * \return The number of bytes needed in the output buffer whichmay be + * larger than \a buflen but the buffer will not be overrun + */ +static size_t +nval_to_symbols(struct numeric *nval, + const struct list_counter_style *cstyle, + char *buf, const size_t buflen) +{ + size_t oidx = 0; + size_t aidx; /* numeral index */ + const char *suffix = "."; /* default sufffix string */ + const char *negative_pre = "-"; /* default negative string */ + + /* prefix */ + if (cstyle->prefix != NULL) { + oidx += copy_string(buf, buflen, oidx, cstyle->prefix); + } + + /* negative pre */ + if (nval->negative) { + if (cstyle->negative.pre != NULL) { + negative_pre = cstyle->negative.pre; + } + oidx += copy_string(buf, buflen, oidx, negative_pre); + } + + /* add padding if required */ + if (nval->used < cstyle->pad.length) { + size_t pidx; /* padding index */ + for (pidx = cstyle->pad.length - nval->used; pidx > 0; pidx--) { + oidx += copy_symbol(buf, buflen, oidx, + cstyle->pad.value); + } + } + + /* map symbols */ + for (aidx = 0; aidx < nval->used; aidx++) { + oidx += copy_symbol(buf, buflen, oidx, + cstyle->symbols[nval->val[aidx]]); + } + + /* negative post */ + if ((nval->negative) && (cstyle->negative.post != NULL)) { + oidx += copy_string(buf, buflen, oidx, cstyle->negative.post); + } + + /* suffix */ + if (cstyle->suffix != NULL) { + suffix = cstyle->suffix; + } + oidx += copy_string(buf, buflen, oidx, suffix); + + return oidx; +} + + +/** + * generate numeric symbol values + * + * fills array with numeric values that represent the input value + * + * \param ares Buffer to recive the converted values + * \param alen the length of \a ares buffer + * \param value The value to convert + * \param cstyle The counter style in use + * \return The length a complete conversion which may be larger than \a alen + */ +static css_error +calc_numeric_system(int value, + const struct list_counter_style *cstyle, + struct numeric *nval) +{ + size_t idx = 0; + uint8_t *first; + uint8_t *last; + + if (value == 0) { + if (nval->len >= 1) { + nval->val[0] = 0; + } + nval->used = 1; + return CSS_OK; + } + + if (value < 0) { + nval->negative = true; + value = abs(value); + } else { + nval->negative = false; + } + + /* generate alphabet values in ascending order */ + while (value > 0) { + if (idx < nval->len) { + nval->val[idx] = value % cstyle->items; + } + idx++; + value = value / cstyle->items; + } + + /* put the values in decending order */ + first = nval->val; + if (idx < nval->len) { + last = first + (idx - 1); + } else { + last = first + (nval->len - 1); + } + while (first < last) { + *first ^= *last; + *last ^= *first; + *first ^= *last; + first++; + last--; + } + + nval->used = idx; + + return CSS_OK; +} + + +/** + * generate cyclic symbol values + * + * fills array with cyclic values that represent the input value + * + * \param ares Buffer to recive the converted values + * \param alen the length of \a ares buffer + * \param value The value to convert + * \param cstyle The counter style in use + * \return The length a complete conversion which may be larger than \a alen + */ +static css_error +calc_cyclic_system(int value, + const struct list_counter_style *cstyle, + struct numeric *nval) +{ + if (nval->len == 0) { + return CSS_INVALID; + } + if (cstyle->items == 1) { + /* there is only one symbol so select it */ + nval->val[0] = 0; + } else { + nval->val[0] = (value - 1) % cstyle->items; + } + nval->used = 1; + nval->negative = false; + + return CSS_OK; +} + + +/** + * generate addative symbol values + * + * fills array with numeric values that represent the input value + * + * \param ares Buffer to recive the converted values + * \param alen the length of \a ares buffer + * \param value The value to convert + * \param wlen The number of weights + * \return The length a complete conversion which may be larger than \a alen + */ +static css_error +calc_additive_system(int value, + const struct list_counter_style *cstyle, + struct numeric *nval) +{ + size_t widx; /* weight index */ + size_t aidx = 0; /* numerals used */ + size_t idx; + size_t times; /* number of times a weight occours */ + + /* ensure value is within acceptable range of this system */ + if ((value < cstyle->range.start) || (value > cstyle->range.end)) { + return CSS_INVALID; + } + + /* zero needs a specific weight */ + if (value == 0) { + /* search weights for a zero entry */ + for (widx = 0; widx < cstyle->items; widx++) { + if (cstyle->weights[widx] == 0) { + if (nval->len > 0) { + nval->val[0] = widx; + } + + nval->used = 1; + nval->negative = false; + return CSS_OK; + } + } + return CSS_INVALID; + } + + /* negative values */ + if (value < 0) { + nval->negative = true; + value = abs(value); + } else { + nval->negative = false; + } + + /* iterate over the available weights */ + for (widx = 0; widx < cstyle->items; widx++) { + if (cstyle->weights[widx] == 0) { + break; + } + times = value / cstyle->weights[widx]; + if (times > 0) { + for (idx = 0;idx < times;idx++) { + if (aidx < nval->len) { + nval->val[aidx] = widx; + } + aidx++; + } + + value -= times * cstyle->weights[widx]; + } + } + + nval->used = aidx; + + return CSS_OK; +} + + +/** + * generate alphabet symbol values for latin and greek labelling + * + * fills array with alphabet values suitable for the input value + * + * \param ares Buffer to recive the converted values + * \param alen the length of \a ares buffer + * \param value The value to convert + * \param slen The number of symbols in the alphabet + * \return The length a complete conversion which may be larger than \a alen + */ +static css_error +calc_alphabet_system(int value, + const struct list_counter_style *cstyle, + struct numeric *nval) +{ + size_t idx = 0; + uint8_t *first; + uint8_t *last; + + if (value < 1) { + return CSS_INVALID; + } + + /* generate alphabet values in ascending order */ + while (value > 0) { + --value; + if (idx < nval->len) { + nval->val[idx] = value % cstyle->items; + } + idx++; + value = value / cstyle->items; + } + + /* put the values in decending order */ + first = nval->val; + if (idx < nval->len) { + last = first + (idx - 1); + } else { + last = first + (nval->len - 1); + } + while (first < last) { + *first ^= *last; + *last ^= *first; + *first ^= *last; + first++; + last--; + } + + nval->used = idx; + nval->negative = false; + + return CSS_OK; +} + + +/** + * Roman numeral conversion + * + * \return The number of numerals that are nesesary for full output + */ +static css_error +calc_roman_system(int value, + const struct list_counter_style *cstyle, + struct numeric *nval) +{ + const int S[] = { 0, 2, 4, 2, 4, 2, 4 }; + size_t k = 0; /* index into output buffer */ + unsigned int i = 0; /* index into maps */ + int r; + int r2 = 0; + size_t L; + + assert(cstyle->items == 7); + + /* ensure value is within acceptable range of this system */ + if ((value < cstyle->range.start) || (value > cstyle->range.end)) { + return CSS_INVALID; + } + + L = cstyle->items - 1; + + while (value > 0) { + if (cstyle->weights[i] <= value) { + r = value / cstyle->weights[i]; + value = value - (r * cstyle->weights[i]); + if (i < L) { + /* lookahead */ + r2 = value / cstyle->weights[i+1]; + } + if (i < L && r2 >= S[i+1]) { + /* will violate repeat boundary on next pass */ + value = value - (r2 * cstyle->weights[i+1]); + if (k < nval->len) { + nval->val[k++] = i+1; + } + if (k < nval->len) { + nval->val[k++] = i-1; + } + } else if (S[i] && r >= S[i]) { + /* violated repeat boundary on this pass */ + if (k < nval->len) { + nval->val[k++] = i; + } + if (k < nval->len) { + nval->val[k++] = i-1; + } + } else { + while ((r-- > 0) && (k < nval->len)) { + nval->val[k++] = i; + } + } + } + i++; + } + + nval->used = k; + nval->negative = false; + + return CSS_OK; +} + + +/* tables for all the counter styles */ + +static const symbol_t decimal_symbols[] = { + "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" +}; +static const struct list_counter_style lcs_decimal = { + .name = "decimal", + .system = calc_numeric_system, + .symbols = decimal_symbols, + .items = (sizeof(decimal_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t georgian_symbols[] = { + "ჵ", + "ჰ", "ჯ", "ჴ", "ხ", "ჭ", "წ", "ძ", "ც", "ჩ", + "შ", "ყ", "ღ", "ქ", "ფ", "ჳ", "ტ", "ს", "რ", + "ჟ", "პ", "ო", "ჲ", "ნ", "მ", "ლ", "კ", "ი", + "თ", "ჱ", "ზ", "ვ", "ე", "დ", "გ", "ბ", "ა", +}; +static const int georgian_weights[] = { + 10000, + 9000, 8000, 7000, 6000, 5000, 4000, 3000, 2000, 1000, + 900, 800, 700, 600, 500, 400, 300, 200, 100, + 90, 80, 70, 60, 50, 40, 30, 20, 10, + 9, 8, 7, 6, 5, 4, 3, 2, 1 +}; +static const struct list_counter_style lcs_georgian = { + .name="georgian", + .system = calc_additive_system, + .fallback = &lcs_decimal, + .symbols = georgian_symbols, + .weights = georgian_weights, + .items = (sizeof(georgian_symbols) / SYMBOL_SIZE), + .range = { .start = 1, .end = 19999 }, +}; + + +static const symbol_t upper_armenian_symbols[] = { + "Ք", "Փ", "Ւ", "Ց", "Ր", "Տ", "Վ", "Ս", "Ռ", + "Ջ", "Պ", "Չ", "Ո", "Շ", "Ն", "Յ", "Մ", "Ճ", + "Ղ", "Ձ", "Հ", "Կ", "Ծ", "Խ", "Լ", "Ի", "Ժ", + "Թ", "Ը", "Է", "Զ", "Ե", "Դ", "Գ", "Բ", "Ա" +}; +static const int armenian_weights[] = { + 9000, 8000, 7000, 6000, 5000, 4000, 3000, 2000, 1000, + 900, 800, 700, 600, 500, 400, 300, 200, 100, + 90, 80, 70, 60, 50, 40, 30, 20, 10, + 9, 8, 7, 6, 5, 4, 3, 2, 1 +}; +static const struct list_counter_style lcs_upper_armenian = { + .name = "upper-armenian", + .system = calc_additive_system, + .fallback = &lcs_decimal, + .symbols = upper_armenian_symbols, + .weights = armenian_weights, + .items = (sizeof(upper_armenian_symbols) / SYMBOL_SIZE), + .range = { .start = 1, .end = 9999 }, +}; + + +static const symbol_t lower_armenian_symbols[] = { + "ք", "փ", "ւ", "ց", "ր", "տ", "վ", "ս", "ռ", + "ջ", "պ", "չ", "ո", "շ", "ն", "յ", "մ", "ճ", + "ղ", "ձ", "հ", "կ", "ծ", "խ", "լ", "ի", "ժ", + "թ", "ը", "է", "զ", "ե", "դ", "գ", "բ", "ա" +}; +static const struct list_counter_style lcs_lower_armenian = { + .name = "lower-armenian", + .system = calc_additive_system, + .fallback = &lcs_decimal, + .symbols = lower_armenian_symbols, + .weights = armenian_weights, + .items = (sizeof(lower_armenian_symbols) / SYMBOL_SIZE), + .range = { .start = 1, .end = 9999 }, +}; + + +static const struct list_counter_style lcs_decimal_leading_zero = { + .name = "decimal-leading-zero", + .system = calc_numeric_system, + .symbols = decimal_symbols, + .items = (sizeof(decimal_symbols) / SYMBOL_SIZE), + .pad = { .length = 2, .value = "0" }, +}; + + +static const symbol_t lower_greek_symbols[] = { + "α", "β", "γ", "δ", "ε", "ζ", "η", "θ", "ι", "κ", + "λ", "μ", "ν", "ξ", "ο", "π", "ρ", "σ", "τ", "υ", + "φ", "χ", "ψ", "ω" +}; +static const struct list_counter_style lcs_lower_greek = { + .name = "lower-greek", + .system = calc_alphabet_system, + .fallback = &lcs_decimal, + .symbols = lower_greek_symbols, + .items = (sizeof(lower_greek_symbols) / SYMBOL_SIZE), +}; + + +static const symbol_t upper_alpha_symbols[] = { + "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", + "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", + "U", "V", "W", "X", "Y", "Z" +}; +static const struct list_counter_style lcs_upper_alpha = { + .name = "upper-alpha", + .system = calc_alphabet_system, + .fallback = &lcs_decimal, + .symbols = upper_alpha_symbols, + .items = (sizeof(upper_alpha_symbols) / SYMBOL_SIZE), +}; + + +static const symbol_t lower_alpha_symbols[] = { + "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", + "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", + "u", "v", "w", "x", "y", "z" +}; +static struct list_counter_style lcs_lower_alpha = { + .name = "lower-alpha", + .system = calc_alphabet_system, + .fallback = &lcs_decimal, + .symbols = lower_alpha_symbols, + .items = (sizeof(lower_alpha_symbols) / SYMBOL_SIZE), +}; + + +static const int roman_weights[] = { + 1000, 500, 100, 50, 10, 5, 1 +}; +static const symbol_t upper_roman_symbols[] = { + "M", "D", "C", "L", "X", "V", "I" +}; +static const struct list_counter_style lcs_upper_roman = { + .name = "upper-roman", + .system = calc_roman_system, + .fallback = &lcs_decimal, + .symbols = upper_roman_symbols, + .weights = roman_weights, + .items = (sizeof(upper_roman_symbols) / SYMBOL_SIZE), + .range = { .start = 1, .end = 3999 }, +}; + + +static const symbol_t lower_roman_symbols[] = { + "m", "d", "c", "l", "x", "v", "i" +}; +static const struct list_counter_style lcs_lower_roman = { + .name = "lower-roman", + .system = calc_roman_system, + .fallback = &lcs_decimal, + .symbols = lower_roman_symbols, + .weights = roman_weights, + .items = (sizeof(lower_roman_symbols) / SYMBOL_SIZE), + .range = { .start = 1, .end = 3999 }, +}; + +static const symbol_t disc_symbols[] = { "\xE2\x80\xA2"}; /* 2022 BULLET */ +static const struct list_counter_style lcs_disc = { + .name = "disc", + .system = calc_cyclic_system, + .symbols = disc_symbols, + .items = (sizeof(disc_symbols) / SYMBOL_SIZE), + .suffix = " ", +}; + +static const symbol_t circle_symbols[] = { "\342\227\213"}; /* 25CB WHITE CIRCLE */ +static const struct list_counter_style lcs_circle = { + .name = "circle", + .system = calc_cyclic_system, + .symbols = circle_symbols, + .items = (sizeof(circle_symbols) / SYMBOL_SIZE), + .suffix = " ", +}; + +static const symbol_t square_symbols[] = { "\342\226\252"}; /* 25AA BLACK SMALL SQUARE */ +static const struct list_counter_style lcs_square = { + .name = "square", + .system = calc_cyclic_system, + .symbols = square_symbols, + .items = (sizeof(square_symbols) / SYMBOL_SIZE), + .suffix = " ", +}; + +static const symbol_t binary_symbols[] = { "0", "1" }; +static const struct list_counter_style lcs_binary = { + .name = "binary", + .system = calc_numeric_system, + .symbols = binary_symbols, + .items = (sizeof(binary_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t octal_symbols[] = { + "0", "1", "2", "3", "4", "5", "6", "7" +}; +static const struct list_counter_style lcs_octal = { + .name = "octal", + .system = calc_numeric_system, + .symbols = octal_symbols, + .items = (sizeof(octal_symbols) / SYMBOL_SIZE), +}; + + +static const symbol_t lower_hexadecimal_symbols[] = { + "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", + "a", "b", "c", "d", "e", "f" +}; +static const struct list_counter_style lcs_lower_hexadecimal = { + .name = "lower-hexadecimal", + .system = calc_numeric_system, + .symbols = lower_hexadecimal_symbols, + .items = (sizeof(lower_hexadecimal_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t upper_hexadecimal_symbols[] = { + "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", + "a", "b", "c", "d", "e", "f" +}; +static const struct list_counter_style lcs_upper_hexadecimal = { + .name = "upper-hexadecimal", + .system = calc_numeric_system, + .symbols = upper_hexadecimal_symbols, + .items = (sizeof(upper_hexadecimal_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t arabic_indic_symbols[] = { + "\xd9\xa0", "\xd9\xa1", "\xd9\xa2", "\xd9\xa3", "\xd9\xa4", "\xd9\xa5", "\xd9\xa6", "\xd9\xa7", "\xd9\xa8", "\xd9\xa9" +}; +static const struct list_counter_style lcs_arabic_indic = { + .name = "arabic-indic", + .system = calc_numeric_system, + .symbols = arabic_indic_symbols, + .items = (sizeof(arabic_indic_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t bengali_symbols[] = { + "০", "১", "২", "৩", "৪", "৫", "৬", "৭", "৮", "৯" +}; +static const struct list_counter_style lcs_bengali = { + .name = "bengali", + .system = calc_numeric_system, + .symbols = bengali_symbols, + .items = (sizeof(bengali_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t cambodian_symbols[] = { + "០", "១", "២", "៣", "៤", "៥", "៦", "៧", "៨", "៩" +}; +static const struct list_counter_style lcs_cambodian = { + .name = "cambodian", + .system = calc_numeric_system, + .symbols = cambodian_symbols, + .items = (sizeof(cambodian_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t cjk_decimal_symbols[] = { + "〇", "一", "二", "三", "四", "五", "六", "七", "八", "九" +}; +static const struct list_counter_style lcs_cjk_decimal = { + .name = "cjk-decimal", + .system = calc_numeric_system, + .symbols = cjk_decimal_symbols, + .suffix = "、", + .items = (sizeof(cjk_decimal_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t devanagari_symbols[] = { + "०", "१", "२", "३", "४", "५", "६", "७", "८", "९" +}; +static const struct list_counter_style lcs_devanagari = { + .name = "devanagari", + .system = calc_numeric_system, + .symbols = devanagari_symbols, + .items = (sizeof(devanagari_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t gujarati_symbols[] = { + "૦", "૧", "૨", "૩", "૪", "૫", "૬", "૭", "૮", "૯" +}; +static const struct list_counter_style lcs_gujarati = { + .name = "gujarati", + .system = calc_numeric_system, + .symbols = gujarati_symbols, + .items = (sizeof(gujarati_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t gurmukhi_symbols[] = { + "੦", "੧", "੨", "੩", "੪", "੫", "੬", "੭", "੮", "੯" +}; +static const struct list_counter_style lcs_gurmukhi = { + .name = "gurmukhi", + .system = calc_numeric_system, + .symbols = gurmukhi_symbols, + .items = (sizeof(gurmukhi_symbols) / SYMBOL_SIZE), +}; + +static const int hebrew_weights[] = { + 10000, + 9000, 8000, 7000, 6000, 5000, 4000, 3000, 2000, 1000, + 400, 300, 200, 100, + 90, 80, 70, 60, 50, 40, 30, 20, 19, 18, 17, 16, 15, 10, + 9, 8, 7, 6, 5, 4, 3, 2, 1 +}; +static const symbol_t hebrew_symbols[] = { + "\xD7\x99\xD7\xB3", + "\xD7\x98\xD7\xB3", "\xD7\x97\xD7\xB3", "\xD7\x96\xD7\xB3", "\xD7\x95\xD7\xB3", "\xD7\x94\xD7\xB3", "\xD7\x93\xD7\xB3", "\xD7\x92\xD7\xB3", "\xD7\x91\xD7\xB3", "\xD7\x90\xD7\xB3", + "\xD7\xAA", "\xD7\xA9", "\xD7\xA8", "\xD7\xA7", + "\xD7\xA6", "\xD7\xA4", "\xD7\xA2", "\xD7\xA1", "\xD7\xA0", "\xD7\x9E", "\xD7\x9C", /* 20 */"\xD7\x9B", "\xD7\x99\xD7\x98", "\xD7\x99\xD7\x97", "\xD7\x99\xD7\x96", "\xD7\x98\xD7\x96", "\xD7\x98\xD7\x95", "\xD7\x99", + "\xD7\x98", "\xD7\x97", "\xD7\x96", "\xD7\x95", "\xD7\x94", "\xD7\x93", "\xD7\x92", "\xD7\x91", "\xD7\x90" +}; +static const struct list_counter_style lcs_hebrew = { + .name = "hebrew", + .system = calc_additive_system, + .fallback = &lcs_decimal, + .symbols = hebrew_symbols, + .weights = hebrew_weights, + .items = (sizeof(hebrew_symbols) / SYMBOL_SIZE), + .range = { .start = 1, .end = 10999 }, +}; + +static const symbol_t kannada_symbols[] = { + "\xE0\xB3\xA6", "\xE0\xB3\xA7", "\xE0\xB3\xA8", "\xE0\xB3\xA9", "\xE0\xB3\xAA", "\xE0\xB3\xAB", "\xE0\xB3\xAC", "\xE0\xB3\xAD", "\xE0\xB3\xAE", "\xE0\xB3\xAF" +}; +static const struct list_counter_style lcs_kannada = { + .name = "kannada", + .system = calc_numeric_system, + .symbols = kannada_symbols, + .items = (sizeof(kannada_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t lao_symbols[] = { + "໐", "໑", "໒", "໓", "໔", "໕", "໖", "໗", "໘", "໙" +}; +static const struct list_counter_style lcs_lao = { + .name = "lao", + .system = calc_numeric_system, + .symbols = lao_symbols, + .items = (sizeof(lao_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t malayalam_symbols[] = { + "൦", "൧", "൨", "൩", "൪", "൫", "൬", "൭", "൮", "൯" +}; +static const struct list_counter_style lcs_malayalam = { + .name = "malayalam", + .system = calc_numeric_system, + .symbols = malayalam_symbols, + .items = (sizeof(malayalam_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t mongolian_symbols[] = { + "᠐", "᠑", "᠒", "᠓", "᠔", "᠕", "᠖", "᠗", "᠘", "᠙" +}; +static const struct list_counter_style lcs_mongolian = { + .name = "mongolian", + .system = calc_numeric_system, + .symbols = mongolian_symbols, + .items = (sizeof(mongolian_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t myanmar_symbols[] = { + "၀", "၁", "၂", "၃", "၄", "၅", "၆", "၇", "၈", "၉" +}; +static const struct list_counter_style lcs_myanmar = { + .name = "myanmar", + .system = calc_numeric_system, + .symbols = myanmar_symbols, + .items = (sizeof(myanmar_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t oriya_symbols[] = { + "୦", "୧", "୨", "୩", "୪", "୫", "୬", "୭", "୮", "୯" +}; +static const struct list_counter_style lcs_oriya = { + .name = "oriya", + .system = calc_numeric_system, + .symbols = oriya_symbols, + .items = (sizeof(oriya_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t persian_symbols[] = { + "۰", "۱", "۲", "۳", "۴", "۵", "۶", "۷", "۸", "۹" +}; +static const struct list_counter_style lcs_persian = { + .name = "persian", + .system = calc_numeric_system, + .symbols = persian_symbols, + .items = (sizeof(persian_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t tamil_symbols[] = { + "௦", "௧", "௨", "௩", "௪", "௫", "௬", "௭", "௮", "௯" +}; +static const struct list_counter_style lcs_tamil = { + .name = "tamil", + .system = calc_numeric_system, + .symbols = tamil_symbols, + .items = (sizeof(tamil_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t telugu_symbols[] = { + "౦", "౧", "౨", "౩", "౪", "౫", "౬", "౭", "౮", "౯" +}; +static const struct list_counter_style lcs_telugu = { + .name = "telugu", + .system = calc_numeric_system, + .symbols = telugu_symbols, + .items = (sizeof(telugu_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t thai_symbols[] = { + "๐", "๑", "๒", "๓", "๔", "๕", "๖", "๗", "๘", "๙" +}; +static const struct list_counter_style lcs_thai = { + .name = "thai", + .system = calc_numeric_system, + .symbols = thai_symbols, + .items = (sizeof(thai_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t tibetan_symbols[] = { + "༠", "༡", "༢", "༣", "༤", "༥", "༦", "༧", "༨", "༩" +}; +static const struct list_counter_style lcs_tibetan = { + .name = "tibetan", + .system = calc_numeric_system, + .symbols = tibetan_symbols, + .items = (sizeof(tibetan_symbols) / SYMBOL_SIZE), +}; + +static const symbol_t cjk_earthly_branch_symbols[] = { + "子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" +}; +static struct list_counter_style lcs_cjk_earthly_branch = { + .name = "cjk-earthly-branch", + .system = calc_alphabet_system, + .fallback = &lcs_decimal, + .symbols = cjk_earthly_branch_symbols, + .items = (sizeof(cjk_earthly_branch_symbols) / SYMBOL_SIZE), + .suffix = "、", +}; + +static const symbol_t cjk_heavenly_stem_symbols[] = { + "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" +}; +static struct list_counter_style lcs_cjk_heavenly_stem = { + .name = "cjk-heavenly-stem", + .system = calc_alphabet_system, + .fallback = &lcs_decimal, + .symbols = cjk_heavenly_stem_symbols, + .items = (sizeof(cjk_heavenly_stem_symbols) / SYMBOL_SIZE), + .suffix = "、", +}; + +static const symbol_t hiragana_symbols[] = { + "あ", "い", "う", "え", "お", "か", "き", "く", "け", "こ", "さ", "し", "す", "せ", "そ", "た", "ち", "つ", "て", "と", "な", "に", "ぬ", "ね", "の", "は", "ひ", "ふ", "へ", "ほ", "ま", "み", "む", "め", "も", "や", "ゆ", "よ", "ら", "り", "る", "れ", "ろ", "わ", "ゐ", "ゑ", "を", "ん" +}; +static struct list_counter_style lcs_hiragana = { + .name = "hiragana", + .system = calc_alphabet_system, + .fallback = &lcs_decimal, + .symbols = hiragana_symbols, + .items = (sizeof(hiragana_symbols) / SYMBOL_SIZE), + .suffix = "、", +}; + +static const symbol_t hiragana_iroha_symbols[] = { + "い", "ろ", "は", "に", "ほ", "へ", "と", "ち", "り", "ぬ", "る", "を", "わ", "か", "よ", "た", "れ", "そ", "つ", "ね", "な", "ら", "む", "う", "ゐ", "の", "お", "く", "や", "ま", "け", "ふ", "こ", "え", "て", "あ", "さ", "き", "ゆ", "め", "み", "し", "ゑ", "ひ", "も", "せ", "す" +}; +static struct list_counter_style lcs_hiragana_iroha = { + .name = "hiragana-iroha", + .system = calc_alphabet_system, + .fallback = &lcs_decimal, + .symbols = hiragana_iroha_symbols, + .items = (sizeof(hiragana_iroha_symbols) / SYMBOL_SIZE), + .suffix = "、", +}; + +static const symbol_t katakana_symbols[] = { + "ア", "イ", "ウ", "エ", "オ", "カ", "キ", "ク", "ケ", "コ", "サ", "シ", "ス", "セ", "ソ", "タ", "チ", "ツ", "テ", "ト", "ナ", "ニ", "ヌ", "ネ", "ノ", "ハ", "ヒ", "フ", "ヘ", "ホ", "マ", "ミ", "ム", "メ", "モ", "ヤ", "ユ", "ヨ", "ラ", "リ", "ル", "レ", "ロ", "ワ", "ヰ", "ヱ", "ヲ", "ン" +}; +static struct list_counter_style lcs_katakana = { + .name = "katakana", + .system = calc_alphabet_system, + .fallback = &lcs_decimal, + .symbols = katakana_symbols, + .items = (sizeof(katakana_symbols) / SYMBOL_SIZE), + .suffix = "、", +}; + +static const symbol_t katakana_iroha_symbols[] = { + "イ", "ロ", "ハ", "ニ", "ホ", "ヘ", "ト", "チ", "リ", "ヌ", "ル", "ヲ", "ワ", "カ", "ヨ", "タ", "レ", "ソ", "ツ", "ネ", "ナ", "ラ", "ム", "ウ", "ヰ", "ノ", "オ", "ク", "ヤ", "マ", "ケ", "フ", "コ", "エ", "テ", "ア", "サ", "キ", "ユ", "メ", "ミ", "シ", "ヱ", "ヒ", "モ", "セ", "ス" +}; +static struct list_counter_style lcs_katakana_iroha = { + .name = "katakana-iroha", + .system = calc_alphabet_system, + .fallback = &lcs_decimal, + .symbols = katakana_iroha_symbols, + .items = (sizeof(katakana_iroha_symbols) / SYMBOL_SIZE), + .suffix = "、", +}; + +/** + * weights suitable for the five complex addative styles + */ +static const int complex_counter_weights[] = { + 9000, 8000, 7000, 6000, 5000, 4000, 3000, 2000, 1000, + 900, 800, 700, 600, 500, 400, 300, 200, 100, + 90, 80, 70, 60, 50, 40, 30, 20, 10, + 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 +}; +static const symbol_t japanese_informal_symbols[] = { + "九千", "八千", "七千", "六千", "五千", "四千", "三千", "二千", "千", + "九百", "八百", "七百", "六百", "五百", "四百", "三百", "二百", "百", + "九十", "八十", "七十", "六十", "五十", "四十", "三十", "二十", "十", + "九", "八", "七", "六", "五", "四", "三", "二", "一", "〇", +}; +static const struct list_counter_style lcs_japanese_informal = { + .name = "japanese-informal", + .system = calc_additive_system, + .fallback = &lcs_cjk_decimal, + .symbols = japanese_informal_symbols, + .weights = complex_counter_weights, + .items = (sizeof(japanese_informal_symbols) / SYMBOL_SIZE), + .range = { .start = -9999, .end = 9999 }, + .negative = { .pre = "マイナス" }, + .suffix = "\xE3\x80\x81", +}; + +static const symbol_t japanese_formal_symbols[] = { + "九阡", "八阡", "七阡", "六阡", "伍阡", "四阡", "参阡", "弐阡", "壱阡", + "九百", "八百", "七百", "六百", "伍百", "四百", "参百", "弐百", "壱百", + "九拾", "八拾", "七拾", "六拾", "伍拾", "四拾", "参拾", "弐拾", "壱拾", + "九", "八", "七", "六", "伍", "四", "参", "弐", "壱", "零", +}; +static const struct list_counter_style lcs_japanese_formal = { + .name = "japanese-formal", + .system = calc_additive_system, + .fallback = &lcs_cjk_decimal, + .symbols = japanese_formal_symbols, + .weights = complex_counter_weights, + .items = (sizeof(japanese_formal_symbols) / SYMBOL_SIZE), + .range = { .start = -9999, .end = 9999 }, + .negative = { .pre = "マイナス" }, + .suffix = "\xE3\x80\x81", +}; + +static const symbol_t korean_hangul_formal_symbols[] = { + "구천", "팔천", "칠천", "육천", "오천", "사천", "삼천", "이천", "일천", + "구백", "팔백", "칠백", "육백", "오백", "사백", "삼백", "이백", "일백", + "구십", "팔십", "칠십", "육십", "오십", "사십", "삼십", "이십", "일십", + "구", "팔", "칠", "육", "오", "사", "삼", "이", "일", "영" +}; +static const struct list_counter_style lcs_korean_hangul_formal = { + .name = "korean-hangul-formal", + .system = calc_additive_system, + .fallback = &lcs_cjk_decimal, + .symbols = korean_hangul_formal_symbols, + .weights = complex_counter_weights, + .items = (sizeof(korean_hangul_formal_symbols) / SYMBOL_SIZE), + .range = { .start = -9999, .end = 9999 }, + .negative = { .pre = "\xEB\xA7\x88\xEC\x9D\xB4\xEB\x84\x88\xEC\x8A\xA4 " }, + .suffix = ", ", +}; + +static const symbol_t korean_hanja_informal_symbols[] = { + "九千", "八千", "七千", "六千", "五千", "四千", "三千", "二千", "千", + "九百", "八百", "七百", "六百", "五百", "四百", "三百", "二百", "百", + "九十", "八十", "七十", "六十", "五十", "四十", "三十", "二十", "十", + "九", "八", "七", "六", "五", "四", "三", "二", "一", "零" +}; +static const struct list_counter_style lcs_korean_hanja_informal = { + .name = "korean-hanja-informal", + .system = calc_additive_system, + .fallback = &lcs_cjk_decimal, + .symbols = korean_hanja_informal_symbols, + .weights = complex_counter_weights, + .items = (sizeof(korean_hanja_informal_symbols) / SYMBOL_SIZE), + .range = { .start = -9999, .end = 9999 }, + .negative = { .pre = "\xEB\xA7\x88\xEC\x9D\xB4\xEB\x84\x88\xEC\x8A\xA4 " }, + .suffix = ", ", +}; + +static const symbol_t korean_hanja_formal_symbols[] = { + "九仟", "八仟", "七仟", "六仟", "五仟", "四仟", "參仟", "貳仟", "壹仟", + "九百", "八百", "七百", "六百", "五百", "四百", "參百", "貳百", "壹百", + "九拾", "八拾", "七拾", "六拾", "五拾", "四拾", "參拾", "貳拾", "壹拾", + "九", "八", "七", "六", "五", "四", "參", "貳", "壹", "零" +}; +static const struct list_counter_style lcs_korean_hanja_formal = { + .name = "korean-hanja-formal", + .system = calc_additive_system, + .fallback = &lcs_cjk_decimal, + .symbols = korean_hanja_formal_symbols, + .weights = complex_counter_weights, + .items = (sizeof(korean_hanja_formal_symbols) / SYMBOL_SIZE), + .range = { .start = -9999, .end = 9999 }, + .negative = { .pre = "\xEB\xA7\x88\xEC\x9D\xB4\xEB\x84\x88\xEC\x8A\xA4 " }, + .suffix = ", ", +}; + + + +static const struct list_counter_style * +counter_style_from_computed_style(const css_computed_style *style) +{ + switch (get_list_style_type(style)) { + case CSS_LIST_STYLE_TYPE_DISC: + return &lcs_disc; + case CSS_LIST_STYLE_TYPE_CIRCLE: + return &lcs_circle; + case CSS_LIST_STYLE_TYPE_SQUARE: + return &lcs_square; + case CSS_LIST_STYLE_TYPE_DECIMAL: + return &lcs_decimal; + case CSS_LIST_STYLE_TYPE_DECIMAL_LEADING_ZERO: + return &lcs_decimal_leading_zero; + case CSS_LIST_STYLE_TYPE_LOWER_ROMAN: + return &lcs_lower_roman; + case CSS_LIST_STYLE_TYPE_UPPER_ROMAN: + return &lcs_upper_roman; + case CSS_LIST_STYLE_TYPE_LOWER_GREEK: + return &lcs_lower_greek; + case CSS_LIST_STYLE_TYPE_LOWER_ALPHA: + case CSS_LIST_STYLE_TYPE_LOWER_LATIN: + return &lcs_lower_alpha; + case CSS_LIST_STYLE_TYPE_UPPER_ALPHA: + case CSS_LIST_STYLE_TYPE_UPPER_LATIN: + return &lcs_upper_alpha; + case CSS_LIST_STYLE_TYPE_UPPER_ARMENIAN: + case CSS_LIST_STYLE_TYPE_ARMENIAN: + return &lcs_upper_armenian; + case CSS_LIST_STYLE_TYPE_GEORGIAN: + return &lcs_georgian; + case CSS_LIST_STYLE_TYPE_NONE: + return NULL; + case CSS_LIST_STYLE_TYPE_BINARY: + return &lcs_binary; + case CSS_LIST_STYLE_TYPE_OCTAL: + return &lcs_octal; + case CSS_LIST_STYLE_TYPE_LOWER_HEXADECIMAL: + return &lcs_lower_hexadecimal; + case CSS_LIST_STYLE_TYPE_UPPER_HEXADECIMAL: + return &lcs_upper_hexadecimal; + case CSS_LIST_STYLE_TYPE_ARABIC_INDIC: + return &lcs_arabic_indic; + case CSS_LIST_STYLE_TYPE_LOWER_ARMENIAN: + return &lcs_lower_armenian; + case CSS_LIST_STYLE_TYPE_BENGALI: + return &lcs_bengali; + case CSS_LIST_STYLE_TYPE_CAMBODIAN: + case CSS_LIST_STYLE_TYPE_KHMER: + return &lcs_cambodian; + case CSS_LIST_STYLE_TYPE_CJK_DECIMAL: + return &lcs_cjk_decimal; + case CSS_LIST_STYLE_TYPE_DEVANAGARI: + return &lcs_devanagari; + case CSS_LIST_STYLE_TYPE_GUJARATI: + return &lcs_gujarati; + case CSS_LIST_STYLE_TYPE_GURMUKHI: + return &lcs_gurmukhi; + case CSS_LIST_STYLE_TYPE_HEBREW: + return &lcs_hebrew; + case CSS_LIST_STYLE_TYPE_KANNADA: + return &lcs_kannada; + case CSS_LIST_STYLE_TYPE_LAO: + return &lcs_lao; + case CSS_LIST_STYLE_TYPE_MALAYALAM: + return &lcs_malayalam; + case CSS_LIST_STYLE_TYPE_MONGOLIAN: + return &lcs_mongolian; + case CSS_LIST_STYLE_TYPE_MYANMAR: + return &lcs_myanmar; + case CSS_LIST_STYLE_TYPE_ORIYA: + return &lcs_oriya; + case CSS_LIST_STYLE_TYPE_PERSIAN: + return &lcs_persian; + case CSS_LIST_STYLE_TYPE_TAMIL: + return &lcs_tamil; + case CSS_LIST_STYLE_TYPE_TELUGU: + return &lcs_telugu; + case CSS_LIST_STYLE_TYPE_THAI: + return &lcs_thai; + case CSS_LIST_STYLE_TYPE_TIBETAN: + return &lcs_tibetan; + case CSS_LIST_STYLE_TYPE_CJK_EARTHLY_BRANCH: + return &lcs_cjk_earthly_branch; + case CSS_LIST_STYLE_TYPE_CJK_HEAVENLY_STEM: + return &lcs_cjk_heavenly_stem; + case CSS_LIST_STYLE_TYPE_HIAGANA: + return &lcs_hiragana; + case CSS_LIST_STYLE_TYPE_HIAGANA_IROHA: + return &lcs_hiragana_iroha; + case CSS_LIST_STYLE_TYPE_KATAKANA: + return &lcs_katakana; + case CSS_LIST_STYLE_TYPE_KATAKANA_IROHA: + return &lcs_katakana_iroha; + case CSS_LIST_STYLE_TYPE_JAPANESE_INFORMAL: + return &lcs_japanese_informal; + case CSS_LIST_STYLE_TYPE_JAPANESE_FORMAL: + return &lcs_japanese_formal; + case CSS_LIST_STYLE_TYPE_KOREAN_HANGUL_FORMAL: + return &lcs_korean_hangul_formal; + case CSS_LIST_STYLE_TYPE_KOREAN_HANJA_INFORMAL: + return &lcs_korean_hanja_informal; + case CSS_LIST_STYLE_TYPE_KOREAN_HANJA_FORMAL: + return &lcs_korean_hanja_formal; + } + return NULL; +} + + +/* exported interface defined in select.h */ +css_error css_computed_format_list_style( + const css_computed_style *style, + int value, + char *buffer, + size_t buffer_length, + size_t *format_length) +{ + css_error res = CSS_INVALID; + const struct list_counter_style *cstyle; + uint8_t aval[20]; + struct numeric nval = { + .val = aval, + .len = sizeof(aval), + .used = 0, + .negative = false + }; + + + cstyle = counter_style_from_computed_style(style); + while (cstyle != NULL) { + res = cstyle->system(value, cstyle, &nval); + + if ((res == CSS_OK) && + (nval.used < nval.len)) { + /* system sucessfully generated numeric values */ + *format_length = nval_to_symbols(&nval, + cstyle, + buffer, + buffer_length); + break; + } + + res = CSS_INVALID; + cstyle = cstyle->fallback; + } + + return res; +} |