static void add_rfc2047(struct strbuf *sb, const char *line, size_t len, const char *encoding, enum rfc2047_type type) { static const int max_encoded_length = 76; /* per rfc2047 */ int i; int line_len = last_line_length(sb); strbuf_grow(sb, len * 3 + strlen(encoding) + 100); strbuf_addf(sb, "=?%s?q?", encoding); line_len += strlen(encoding) + 5; /* 5 for =??q? */ while (len) { /* * RFC 2047, section 5 (3): * * Each 'encoded-word' MUST represent an integral number of * characters. A multi-octet character may not be split across * adjacent 'encoded- word's. */ const unsigned char *p = (const unsigned char *)line; int chrlen = mbs_chrlen(&line, &len, encoding); int is_special = (chrlen > 1) || is_rfc2047_special(*p, type); /* "=%02X" * chrlen, or the byte itself */ const char *encoded_fmt = is_special ? "=%02X" : "%c"; int encoded_len = is_special ? 3 * chrlen : 1; /* * According to RFC 2047, we could encode the special character * ' ' (space) with '_' (underscore) for readability. But many * programs do not understand this and just leave the * underscore in place. Thus, we do nothing special here, which * causes ' ' to be encoded as '=20', avoiding this problem. */ if (line_len + encoded_len + 2 > max_encoded_length) { /* It won't fit with trailing "?=" --- break the line */ strbuf_addf(sb, "?=\n =?%s?q?", encoding); line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */ } for (i = 0; i < chrlen; i++) strbuf_addf(sb, encoded_fmt, p[i]); line_len += encoded_len; } strbuf_addstr(sb, "?="); }
static void output_scalar(SkScalar num, int emSize, SkString* out) { num /= emSize; if (num == (int) num) { out->appendS32((int) num); } else { SkString str; str.printf("%1.6g", num); int width = (int) str.size(); const char* cStr = str.c_str(); while (cStr[width - 1] == '0') { --width; } str.remove(width, str.size() - width); out->appendf("%sf", str.c_str()); } *out += ','; *out += (int) last_line_length(*out) >= kMaxLineLength ? '\n' : ' '; }
void pp_title_line(const struct pretty_print_context *pp, const char **msg_p, struct strbuf *sb, const char *encoding, int need_8bit_cte) { static const int max_length = 78; /* per rfc2047 */ struct strbuf title; strbuf_init(&title, 80); *msg_p = format_subject(&title, *msg_p, pp->preserve_subject ? "\n" : " "); strbuf_grow(sb, title.len + 1024); if (pp->subject) { strbuf_addstr(sb, pp->subject); if (needs_rfc2047_encoding(title.buf, title.len, RFC2047_SUBJECT)) add_rfc2047(sb, title.buf, title.len, encoding, RFC2047_SUBJECT); else strbuf_add_wrapped_bytes(sb, title.buf, title.len, -last_line_length(sb), 1, max_length); } else { strbuf_addbuf(sb, &title); } strbuf_addch(sb, '\n'); if (need_8bit_cte > 0) { const char *header_fmt = "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=%s\n" "Content-Transfer-Encoding: 8bit\n"; strbuf_addf(sb, header_fmt, encoding); } if (pp->after_subject) { strbuf_addstr(sb, pp->after_subject); } if (pp->fmt == CMIT_FMT_EMAIL) { strbuf_addch(sb, '\n'); } strbuf_release(&title); }
static void add_rfc2047(struct strbuf *sb, const char *line, int len, const char *encoding, enum rfc2047_type type) { static const int max_encoded_length = 76; /* per rfc2047 */ int i; int line_len = last_line_length(sb); strbuf_grow(sb, len * 3 + strlen(encoding) + 100); strbuf_addf(sb, "=?%s?q?", encoding); line_len += strlen(encoding) + 5; /* 5 for =??q? */ for (i = 0; i < len; i++) { unsigned ch = line[i] & 0xFF; int is_special = is_rfc2047_special(ch, type); /* * According to RFC 2047, we could encode the special character * ' ' (space) with '_' (underscore) for readability. But many * programs do not understand this and just leave the * underscore in place. Thus, we do nothing special here, which * causes ' ' to be encoded as '=20', avoiding this problem. */ if (line_len + 2 + (is_special ? 3 : 1) > max_encoded_length) { strbuf_addf(sb, "?=\n =?%s?q?", encoding); line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */ } if (is_special) { strbuf_addf(sb, "=%02X", ch); line_len += 3; } else { strbuf_addch(sb, ch); line_len++; } } strbuf_addstr(sb, "?="); }
void pp_user_info(struct pretty_print_context *pp, const char *what, struct strbuf *sb, const char *line, const char *encoding) { struct ident_split ident; char *line_end; const char *mailbuf, *namebuf; size_t namelen, maillen; int max_length = 78; /* per rfc2822 */ if (pp->fmt == CMIT_FMT_ONELINE) return; line_end = strchrnul(line, '\n'); if (split_ident_line(&ident, line, line_end - line)) return; mailbuf = ident.mail_begin; maillen = ident.mail_end - ident.mail_begin; namebuf = ident.name_begin; namelen = ident.name_end - ident.name_begin; if (pp->mailmap) map_user(pp->mailmap, &mailbuf, &maillen, &namebuf, &namelen); if (pp->fmt == CMIT_FMT_EMAIL) { if (pp->from_ident && ident_cmp(pp->from_ident, &ident)) { struct strbuf buf = STRBUF_INIT; strbuf_addstr(&buf, "From: "); strbuf_add(&buf, namebuf, namelen); strbuf_addstr(&buf, " <"); strbuf_add(&buf, mailbuf, maillen); strbuf_addstr(&buf, ">\n"); string_list_append(&pp->in_body_headers, strbuf_detach(&buf, NULL)); mailbuf = pp->from_ident->mail_begin; maillen = pp->from_ident->mail_end - mailbuf; namebuf = pp->from_ident->name_begin; namelen = pp->from_ident->name_end - namebuf; } strbuf_addstr(sb, "From: "); if (needs_rfc2047_encoding(namebuf, namelen, RFC2047_ADDRESS)) { add_rfc2047(sb, namebuf, namelen, encoding, RFC2047_ADDRESS); max_length = 76; /* per rfc2047 */ } else if (needs_rfc822_quoting(namebuf, namelen)) { struct strbuf quoted = STRBUF_INIT; add_rfc822_quoted("ed, namebuf, namelen); strbuf_add_wrapped_bytes(sb, quoted.buf, quoted.len, -6, 1, max_length); strbuf_release("ed); } else { strbuf_add_wrapped_bytes(sb, namebuf, namelen, -6, 1, max_length); } if (max_length < last_line_length(sb) + strlen(" <") + maillen + strlen(">")) strbuf_addch(sb, '\n'); strbuf_addf(sb, " <%.*s>\n", (int)maillen, mailbuf); } else { strbuf_addf(sb, "%s: %.*s%.*s <%.*s>\n", what, (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, " ", (int)namelen, namebuf, (int)maillen, mailbuf); } switch (pp->fmt) { case CMIT_FMT_MEDIUM: strbuf_addf(sb, "Date: %s\n", show_ident_date(&ident, pp->date_mode)); break; case CMIT_FMT_EMAIL: strbuf_addf(sb, "Date: %s\n", show_ident_date(&ident, DATE_RFC2822)); break; case CMIT_FMT_FULLER: strbuf_addf(sb, "%sDate: %s\n", what, show_ident_date(&ident, pp->date_mode)); break; default: /* notin' */ break; } }
void pp_title_line(struct pretty_print_context *pp, const char **msg_p, struct strbuf *sb, const char *encoding, int need_8bit_cte) { static const int max_length = 78; /* per rfc2047 */ struct strbuf title; strbuf_init(&title, 80); *msg_p = format_subject(&title, *msg_p, pp->preserve_subject ? "\n" : " "); strbuf_grow(sb, title.len + 1024); if (pp->print_email_subject) { if (pp->rev) fmt_output_email_subject(sb, pp->rev); if (needs_rfc2047_encoding(title.buf, title.len, RFC2047_SUBJECT)) add_rfc2047(sb, title.buf, title.len, encoding, RFC2047_SUBJECT); else strbuf_add_wrapped_bytes(sb, title.buf, title.len, -last_line_length(sb), 1, max_length); } else { strbuf_addbuf(sb, &title); } strbuf_addch(sb, '\n'); if (need_8bit_cte == 0) { int i; for (i = 0; i < pp->in_body_headers.nr; i++) { if (has_non_ascii(pp->in_body_headers.items[i].string)) { need_8bit_cte = 1; break; } } } if (need_8bit_cte > 0) { const char *header_fmt = "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=%s\n" "Content-Transfer-Encoding: 8bit\n"; strbuf_addf(sb, header_fmt, encoding); } if (pp->after_subject) { strbuf_addstr(sb, pp->after_subject); } if (cmit_fmt_is_mail(pp->fmt)) { strbuf_addch(sb, '\n'); } if (pp->in_body_headers.nr) { int i; for (i = 0; i < pp->in_body_headers.nr; i++) { strbuf_addstr(sb, pp->in_body_headers.items[i].string); free(pp->in_body_headers.items[i].string); } string_list_clear(&pp->in_body_headers, 0); strbuf_addch(sb, '\n'); } strbuf_release(&title); }
void pp_user_info(const struct pretty_print_context *pp, const char *what, struct strbuf *sb, const char *line, const char *encoding) { struct strbuf name; struct strbuf mail; struct ident_split ident; int linelen; char *line_end, *date; const char *mailbuf, *namebuf; size_t namelen, maillen; int max_length = 78; /* per rfc2822 */ unsigned long time; int tz; if (pp->fmt == CMIT_FMT_ONELINE) return; line_end = strchr(line, '\n'); if (!line_end) { line_end = strchr(line, '\0'); if (!line_end) return; } linelen = ++line_end - line; if (split_ident_line(&ident, line, linelen)) return; mailbuf = ident.mail_begin; maillen = ident.mail_end - ident.mail_begin; namebuf = ident.name_begin; namelen = ident.name_end - ident.name_begin; if (pp->mailmap) map_user(pp->mailmap, &mailbuf, &maillen, &namebuf, &namelen); strbuf_init(&mail, 0); strbuf_init(&name, 0); strbuf_add(&mail, mailbuf, maillen); strbuf_add(&name, namebuf, namelen); namelen = name.len + mail.len + 3; /* ' ' + '<' + '>' */ time = strtoul(ident.date_begin, &date, 10); tz = strtol(date, NULL, 10); if (pp->fmt == CMIT_FMT_EMAIL) { strbuf_addstr(sb, "From: "); if (needs_rfc2047_encoding(name.buf, name.len, RFC2047_ADDRESS)) { add_rfc2047(sb, name.buf, name.len, encoding, RFC2047_ADDRESS); max_length = 76; /* per rfc2047 */ } else if (needs_rfc822_quoting(name.buf, name.len)) { struct strbuf quoted = STRBUF_INIT; add_rfc822_quoted("ed, name.buf, name.len); strbuf_add_wrapped_bytes(sb, quoted.buf, quoted.len, -6, 1, max_length); strbuf_release("ed); } else { strbuf_add_wrapped_bytes(sb, name.buf, name.len, -6, 1, max_length); } if (namelen - name.len + last_line_length(sb) > max_length) strbuf_addch(sb, '\n'); strbuf_addf(sb, " <%s>\n", mail.buf); } else { strbuf_addf(sb, "%s: %.*s%s <%s>\n", what, (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, " ", name.buf, mail.buf); } strbuf_release(&mail); strbuf_release(&name); switch (pp->fmt) { case CMIT_FMT_MEDIUM: strbuf_addf(sb, "Date: %s\n", show_date(time, tz, pp->date_mode)); break; case CMIT_FMT_EMAIL: strbuf_addf(sb, "Date: %s\n", show_date(time, tz, DATE_RFC2822)); break; case CMIT_FMT_FULLER: strbuf_addf(sb, "%sDate: %s\n", what, show_date(time, tz, pp->date_mode)); break; default: /* notin' */ break; } }
void pp_user_info(const struct pretty_print_context *pp, const char *what, struct strbuf *sb, const char *line, const char *encoding) { int max_length = 78; /* per rfc2822 */ char *date; int namelen; unsigned long time; int tz; if (pp->fmt == CMIT_FMT_ONELINE) return; date = strchr(line, '>'); if (!date) return; namelen = ++date - line; time = strtoul(date, &date, 10); tz = strtol(date, NULL, 10); if (pp->fmt == CMIT_FMT_EMAIL) { char *name_tail = strchr(line, '<'); int display_name_length; if (!name_tail) return; while (line < name_tail && isspace(name_tail[-1])) name_tail--; display_name_length = name_tail - line; strbuf_addstr(sb, "From: "); if (needs_rfc2047_encoding(line, display_name_length, RFC2047_ADDRESS)) { add_rfc2047(sb, line, display_name_length, encoding, RFC2047_ADDRESS); max_length = 76; /* per rfc2047 */ } else if (needs_rfc822_quoting(line, display_name_length)) { struct strbuf quoted = STRBUF_INIT; add_rfc822_quoted("ed, line, display_name_length); strbuf_add_wrapped_bytes(sb, quoted.buf, quoted.len, -6, 1, max_length); strbuf_release("ed); } else { strbuf_add_wrapped_bytes(sb, line, display_name_length, -6, 1, max_length); } if (namelen - display_name_length + last_line_length(sb) > max_length) { strbuf_addch(sb, '\n'); if (!isspace(name_tail[0])) strbuf_addch(sb, ' '); } strbuf_add(sb, name_tail, namelen - display_name_length); strbuf_addch(sb, '\n'); } else { strbuf_addf(sb, "%s: %.*s%.*s\n", what, (pp->fmt == CMIT_FMT_FULLER) ? 4 : 0, " ", namelen, line); } switch (pp->fmt) { case CMIT_FMT_MEDIUM: strbuf_addf(sb, "Date: %s\n", show_date(time, tz, pp->date_mode)); break; case CMIT_FMT_EMAIL: strbuf_addf(sb, "Date: %s\n", show_date(time, tz, DATE_RFC2822)); break; case CMIT_FMT_FULLER: strbuf_addf(sb, "%sDate: %s\n", what, show_date(time, tz, pp->date_mode)); break; default: /* notin' */ break; } }
static void output_fixed(SkScalar num, int emSize, SkString* out) { int hex = (int) (num * 65536 / emSize); out->appendf("0x%08x,", hex); *out += (int) last_line_length(*out) >= kMaxLineLength ? '\n' : ' '; }