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d7d7147549
* Make dc_dehtml() function safe
* Change type of is_msgrmsg parameter to bool
* Narrow type of local variable in simplify_plain_text()
* Export less fields of `Simplify' record
* Demote is_cut_* from fields of `Simplify' to local variables
* Refactor part of simplify_plain_text()
Refactor footer ("-- " and similar) code into separate function,
and re-implement it with standard Rust string methods.
It simplifies code and allows removing one mutable local variable.
* Replace dc_split_into_lines with String.split()
* src/dc_simplify.rs(find_message_footer): adjust type signature to accept
slice of &str, not slice of pointers
* src/dc_simplify.rs(simplify_plain_text): adjust code to use '==' operator
instead of strcmp(3).
* src/dc_simplify.rs(is_empty_line, is_quoted_headline, is_plain_quote):
+ adjust type signatures to accept &str, not 'const char *'
+ remove no longer needed 'unsafe' qualifier
* src/dc_tools(dc_split_into_lines, dc_free_splitted_lines): remove no longer
used functions.
In addition to additional type-safety, this change reduces number of
allocations: String.split returns iterator of &str.
* Make simplify_plain_text() safe
* Make Simplify.simplify return String, not pointer
* Refactor Simplify.simplify to use String methods, not pointers
* Make Simplify.simplify() safe
* Avoid neeless allocation in Simplify.simplify when input is html
* Add tests for simplify utilities
* Document discussion about is_empty_line() discussion